
Can Variable Stars Let Planets Keep Their Water? New Study
Astronomers have long worried that wild stellar behavior — flares, spots and magnetic storms — can strip atmospheres and...

Astronomers have long worried that wild stellar behavior — flares, spots and magnetic storms — can strip atmospheres and...

New high-resolution views from ESA’s Mars Express orbiter reveal striking glacial traces in the Coloe Fossae region, evi...

Giant exoplanets that hug their stars are stirring up winds far stronger than anything in our solar system. Observations...

High over the Arctic, a balloon-borne observatory has caught polarized X-rays streaming from the famous black hole Cygnu...

A seemingly ordinary red giant orbiting an invisible companion in the Gaia BH2 system is rewriting expectations about ho...

When the James Webb Space Telescope began returning its first images in 2022, astronomers noticed hundreds of unusually ...

The Gemini South telescope has released a dramatic new view of the Butterfly Nebula (NGC 6302) to celebrate its 25th ann...

NASA's long-lived Voyager 1 is poised to pass a remarkable milestone in November 2026: it will be the first human-made o...

NASA has temporarily barred Boeing's Starliner spacecraft from carrying astronauts on its upcoming operational flight, d...

For the first time, a rover on Mars has captured the electrical crackle of dust-driven lightning and even tiny sonic boo...

Buried for decades in a helium-sealed vault, a sliver of Apollo 17 material has yielded an unexpected clue about the ear...

After 15 years of gamma-ray observations, astronomers have identified a faint, high-energy glow in the Milky Way's halo ...

Roughly 4.5 billion years ago a Mars-sized planetesimal smashed into the young Earth, producing a molten, chaotic afterm...

China carried out its first-ever emergency space launch when an unmanned Shenzhou-22 capsule, lofted by a Long March-2F ...

NASA and Boeing have confirmed that the Starliner spacecraft is being prepared for another trip to the International Spa...

Primordial black holes are a theoretical class of black holes thought to have formed in the very early universe. In popu...

A Japanese research team has used artificial intelligence to create the most detailed Milky Way simulation to date — one...

Deep beneath our feet, enormous and oddly behaving structures at the core–mantle boundary are rewriting parts of Earth’s...

Geoscientists say a slow, hidden process deep beneath our feet is stripping continental roots and carrying that material...

New analysis of distant radio galaxies suggests our Solar System might be racing through space at a speed far greater th...