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Planetary 'twins' Uranus and Neptune may have different origin stories
Scientists challenge long-held assumption about Uranus and Neptune's origins.
Planetary Science
47 independently detected trends connected to this subject, with the latest coverage first.
What Archynetys tracks about Planetary Science
This hub groups 47 separate news trends connected to Planetary Science, spanning June 26, 2026 through October 20, 2026. Each event page combines source coverage, attention velocity and a time-stamped explanation instead of treating every headline as a separate story.
The record below represents 327 article observations and 310 source signals, led by Science coverage. Use it to compare how individual events emerged, spread and changed over time.
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NASA's SkyFall helicopters will 'show us parts of Mars we've never seen before', scientists say
4 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Gravitational torque drives multidecadal variations in length of day
Gravitational torque from Earth’s inner core is now known to tweak the planet’s day length over decades.
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Venus May Have Devoured Its Moon
Scientists propose Venus may have lost a former moon through orbital decay
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NASA Punched 5 Holes Into Mars. The Craters Revealed a Surprise.
4 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Astrophysics study suggests Venus may have swallowed its moon
A new study suggests Venus once hosted a moon that vanished as the planet’s sluggish spin pulled it into destruction.
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Scientists Thought Ancient Water Carved Martian Gullies. New Analysis Says Otherwise
Mars’ iconic gullies may be the work of dry ice, not water, reshaping hopes for ancient habitability.
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Hidden clues show Mercury shrank more than previously thought
4 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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The sun may once have swallowed a super-Earth planet and could still be hiding the evidence
New research suggests the sun may have swallowed a super-Earth planet in the distant past.
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The Closest Planet to Our Sun Is Shrinking. Here’s What that Means
Mercury is losing size faster than astronomers anticipated, reshaping our view of the innermost planet
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NASA Found Strange Holes on Mars. Scientists Aren't Sure What Made Them.
NASA's Curiosity rover finds mysterious holes on Mars, leaving scientists puzzled.
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Interstellar visitor 3I/ATLAS carries clues from the frozen outskirts of another star system
A comet forged in the icy outskirts of another star system is delivering fresh chemical clues to Earth.
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Earth's moon could have formed in just 5 hours after giant impact
New simulations suggest the Earth's moon could have formed in just 5 hours after a giant impact.
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Mercury Isn’t What Scientists Thought: New Study Reveals a Surprisingly Different Surface
Mercury’s surface hides a graphite crust, upending decades of planetary assumptions.
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For nearly 50 years, Venus’s clouds have been understood as droplets of concentrated sulfuric acid—but a 2025 reinterpretation of data inadvertently collected by NASA’s Pioneer Venus Large Probe in 1978 suggests their aerosols may instead be about 60 p
2025 reinterpretation of Pioneer Venus data suggests cloud aerosols may be about 60 p, upending a 50‑year acid‑droplet view
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Why doesn't Venus have a moon? A new study may have the answer
Scientists may have found the reason why Venus lacks a moon.
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2 spacecraft headed to Mercury are about to begin their long-awaited arrival for Europe and Japan
Two spacecraft are about to enter Mercury's orbit, marking a major milestone for European and Japanese space agencies.
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Giant impact could have formed an intact moon within five hours, simulations suggest
A new study suggests the Moon could have formed in just five hours after a giant impact.
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Scientists discover massive 'thermal anomaly' beneath the surface of Mars
Scientists have discovered a massive heat anomaly beneath Mars' surface, challenging assumptions about the planet's geology.
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Scientists melted a diamond and cracked a secret of ice giants
Scientists have finally melted a diamond, revealing new insights into the composition of ice giants.
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Thermal anomaly discovered below Mars' south pole
A newly discovered thermal anomaly beneath Mars' south pole is challenging what we know about the planet's interior.
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It's been 20 years since Pluto lost planet status. Will it ever get its title back?
Two decades after Pluto's demotion, the debate over its planetary status continues to captivate scientists and the public.
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20 years after Pluto was made a dwarf planet, some still can’t let go
Twenty years after Pluto's demotion, the debate over its planetary status rages on
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A violent impact might have changed Mars’ potato-shaped moon
A new theory suggests Mars’ moon Deimos owes its distinctive shape to a violent asteroid impact.
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Every asteroid with a 'neck' that astronomers had ever found had exactly two lobes joined at one narrow waist — until new images of the asteroid Nysa this month revealed a third lobe nobody expected, and nobody yet knows whether it was born whole or built
Astronomers have discovered an asteroid with three lobes, challenging existing knowledge about planetary formation
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Gypsum crystals discovered by Zhurong on roughly 760-million-year-old Martian terrain may still contain microscopic pockets of the brine they grew from — tiny sealed samples that could preserve the chemistry of liquid water from a surprisingly recent chap
The Zhurong rover's discovery of gypsum crystals on Mars may hold clues to the planet's wet past
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Scientists Melted a Diamond, And It Really Didn't Go The Way They Expected
Scientists have melted a diamond, revealing unexpected properties that could revolutionize nuclear fusion energy.
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Titan was called an ocean world for more than fifteen years, but a reanalysis of Cassini's radio tracking published in Nature has quietly taken the ocean away — the moon's tidal response lags Saturn's pull by about fifteen hours, which fits slush and smal
New analysis of Cassini data suggests Titan is not an ocean world, but rather a moon composed of slushy ice and volatile methane.
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Mars could have carried liquid water more recently than we thought
Recent findings from Martian surface missions suggest liquid water persisted on the planet far more recently than previous geologic models indicated.
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Rare Mars meteorite preserves 1.27-billion-year-old clues to planet's deep interior
A rare Mars meteorite offers unprecedented insights into the planet's deep interior, potentially reshaping our understanding of Mars' formation and evolution.
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Fifty kilometres above Venus, pressure and temperature become surprisingly Earth-like and ordinary breathable air could keep a habitat afloat, but living there would mean building a sealed world inside sulphuric-acid clouds
New data suggests a habitable zone exists 50 kilometres above Venus, where Earth-like temperatures could support floating colonies despite acidic clouds.
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Pluto’s Atmosphere May Finally Be Starting to Collapse
Pluto's atmosphere may be collapsing, a development that could alter our understanding of the dwarf planet.
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Curiosity rover spots mysterious honeycombs on Mars photo of the day for Aug. 5, 2026
NASA's Curiosity and Perseverance rovers capture rare Martian geological features and celestial alignments, drawing renewed attention to planetary photography.
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Webb telescope finds signs of ancient disaster for Neptune's moons
Observations from the James Webb Space Telescope suggest Neptune’s inner moons may be the shattered remnants of larger, ancient icy worlds.
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Europa is smaller than Earth's Moon, yet the ocean locked beneath its ice contains more liquid water than every ocean on Earth combined — kept from freezing not by sunlight, but by Jupiter's gravity squeezing the moon like a slow, endless fist
A new study suggests that the search for life on Jupiter's moon Europa may be more challenging than previously thought
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Something Is Still Moving Beneath Venus’s Scorching Surface
Scientific consensus on Venus is shifting as new evidence of active tectonic movement challenges the long-standing belief that the planet is geologically dead.
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Giant Concentric Rings Discovered in The Atmosphere of Venus
Astronomers have uncovered mysterious giant concentric rings in the atmosphere of Venus after reviewing archived observations.
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At least six moons in our solar system are thought to hide oceans of liquid water beneath their frozen surfaces — and the list may keep growing as old spacecraft data, improved models and new missions reveal oceans in increasingly unexpected places
6 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Finding no evidence of life in Enceladus’s ocean could be almost as scientifically important as finding it — because a world with liquid water, internal heat, phosphorus and complex organic chemistry but no detectable biology would suggest that the ingred
Recent studies of Europa and Enceladus clarify the challenges and scientific significance of searching for life in icy subsurface oceans.
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Rivers of magma once bubbled beneath crust of Mars, research suggests
Scientific research published in Nature Astronomy reveals evidence of ancient magma systems flowing beneath the Martian crust.
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Weird Mountains on Pluto’s Largest Moon Charon Reveals a Surprising Past
Scientific analysis of tectonic scars on Pluto's largest moon, Charon, indicates a history of rotational slowing known as despinning.
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Six massive landslides discovered on icy Pluto
Scientists have confirmed six massive landslides on Pluto, revealing new insights into the movement of icy worlds.
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Scientists find gigantic 'super-puff' planets lighter than candy floss
Researchers have identified two massive exoplanets with remarkably low densities, sparking scientific interest in their light composition.
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Study suggests life on Earth has around 1.8 billion years left
A new study suggests Earth's habitable period may extend far beyond previous estimates.
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Shocking new theory suggests Earth could survive the violent death of the Sun after all
A new scientific theory challenges previous assumptions about Earth's fate following the death of the Sun.
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Scientists find evidence of vast hidden magma systems inside Mars
Scientists have uncovered evidence of extensive magma systems beneath Mars' surface, reshaping our understanding of the planet's geological history.
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Uranus, Neptune May Be Magma Worlds, Not Ice Giants
New research suggests Uranus and Neptune may not be ice giants but magma worlds.