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

Learn how you can say farewell to comet 3I/ATLAS as it passes by Earth on Dec. 19, 2025, and what we have learned during its ...

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 ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Scientists say the colour shift in interstellar comet 3I/ATLAS is due to gases in the comet's coma reacting to solar heat.

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

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

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

A MYSTERIOUS and rare comet is about to make history after months of anticipation. 3I/ATLAS is set to whizz past Earth a ...

For only the second time ever, a collision between two asteroids has been observed around an alien star not too far beyond ...