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The Outer Solar System's First Building Blocks Were Mostly Fire, Not Ice
New data shows the outer Solar System’s first solids were forged by fire, upending icy‑origin theories.
Planetary Formation
14 independently detected trends connected to this subject, with the latest coverage first.
What Archynetys tracks about Planetary Formation
This hub groups 14 separate news trends connected to Planetary Formation, spanning August 19, 2026 through November 2, 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 115 article observations and 112 source signals, led by Science coverage. Use it to compare how individual events emerged, spread and changed over time.
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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.
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An Earth-Sized Planet Could Survive With 2 Suns Just 16 Light-Years Away
6 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Worlds collide! James Webb Space Telescope investigates what happens when planets crash together
11 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Earth and Mars: Built from different cosmic recipes
8 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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Astronomers have produced the clearest exoplanet 'ultrasound' to date and its twins!
Astronomers have captured the clearest view of gas giant formation in action, including a baby exoplanet and its twins.
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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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Scientists find weird exoplanet that orbits its star in the wrong direction
12 news sources are covering this Science story right now — Archynetys is tracking how fast it spreads.
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The Sun May Have Swallowed a Planet
Astronomers suspect the Sun may have swallowed a planet, leaving behind potential clues.
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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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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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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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Astronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet
Astronomers have discovered a 'mega-Earth' that challenges existing theories of planet formation.
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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