Our Milky Way galaxy appears to have flipped 90 degrees long ago. But why?

NASA selects successor to CAPSTONE lunar mission

NASA's CAPSTONE 02 mission will reshape space exploration, with Advanced Space and Lawrence Livermore National Laboratory at the helm.

July ends with the Buck Moon and 2 meteor showers: When to look up

Saber-toothed cats' spinal tumors suggest inbred species struggled to survive

Spinal tumors in saber-toothed cat fossils reveal inbreeding that may have hastened their extinction.

Reaction wheel failures leave Swift rescue mission spinning in orbit

Two eclipses are taking place in August. Here’s where you can view them.

The robot NASA hired to lift a orbital telescope is tumbling out of control

NASA’s Swift telescope faces shutdown as its hired rescue robot spins out of control, threatening high‑energy observations.