From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Could life exist beyond Earth? This documentary investigates the solar system’s most promising candidates for alien life, ...

To date, over 5000 exoplanets have been discovered using telescopes on the ground and in space. Credit: NASA/JPL-Caltech ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

A viral theory claims more than 50 alien ships are heading towards Earth led by interstellar object 3I/ATLAS. What is the ...

As interstellar object 3I/ATLAS swept past Earth on 19 December 2025, viral theories claimed cosmic indifference or alien ...

The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.