3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Earth’s distant future has always been framed as a slow fade billions of years from now, but a new generation of models is ...

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

NASA’s Carruthers mission will film Earth’s elusive exosphere to understand space weather, atmospheric escape, and planetary habitability. A NASA mission aims to photograph a feature of Earth that is ...

The White House threat to dismantle the National Center for Atmospheric Research would be a deep setback to scientific ...

Life may have emerged from a surprisingly simple network of chemical reactions long before cells or genes existed.

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

Comet 3I/ATLAS makes closest approach to Earth, 170 million miles away, offering rare insights into interstellar space and ...

The comet will reach its closest point to Earth at 1am EST (6am GMT) today, coming within 270 million kilometers of us. ...

The faraway moon has 'a slushy high-pressure ice layer' similar to the melting Arctic that could hide extraterrestrial life.