Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Interstellar comet 3I/ATLAS makes its closest Earth approach on Dec. 19, offering astronomers a rare chance to study a visitor from beyond the solar system ...

The colliding objects are at least 37 miles across — at least four times larger than the object that collided with Earth 66 ...

Comet 3I/ATLAS' CO₂-rich coma offers new clues about distant star systems, revealed through NASA and ESA ultraviolet, X-ray, ...

SCIENTISTS have discovered an unusual formation on Jupiter’s moon – and NASA says it may hold the secret to extraterrestrial ...

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

In an unprecedented celestial event, NASA's Hubble Space Telescope (HST) captured the dramatic aftermath of colliding space ...

This interstellar vagabond is only the third large interstellar visitor that we have ever discovered — an asteroid or comet ...

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

Once thought to be the debris of a destroyed planet, the asteroid belt is now understood as a region shaped by gravity, ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.