Astronomers are tracking interstellar comet 3I/ATLAS after JWST and NASA missions detected an extreme CO₂ outburst that ...

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets form and travel through space.

The comet, officially detected on July 1, 2025, by the ATLAS (Asteroid Terrestrial-impact Last Alert System)telescope in Chile, has been confirmed to be travelling on a hyperbolic trajectory, meaning ...

Why did 3I/ATLAS interstellar comet turn green and hide tail? New telescope images reveal the reasons behind its glowing ...

Protoplanetary disk. Figure from a computer simulation visualizing the formation of planets (https://svs.gsfc.nasa.gov/12278 ). Photo: NASA/JPL-Caltech. August 22, 2024, Mountain View, CA - An ...

Astronomers observing 3I/Atlas have found unusual jet-like formations and an ‘anti-tail,’ giving new clues about how interstellar comets behave.

New images of comet C/2025 K1 (ATLAS), not an interstellar object, showed that it fragmented after passing by its closest ...

Apophis will make a rare close flyby of Earth in 2029 as scientists study its effects and analyse new findings on ...

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory ...

C/2025 K1 (ATLAS) has broken into three distinct pieces following its closest approach to the sun on Oct. 8. Astronomers have ...