Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Interstellar object 3I/ATLAS defies expectations with an asymmetric glow as it hurtles toward Jupiter at 60 km/s.

Scientists have been cataloging comet 3I/ATLAS’s journey through the Solar System since July, tracking major milestones as ...

Interstellar object 3I/ATLAS defies comet norms with steady mass loss and precise dust jets, racing towards Jupiter.

Comet‍‌‍‍‌‍‌‍‍‌ 3I/ATLAS is just the third object that we know of that has been observed to pass through our solar system ...

A single discovery in the outer solar system forced astronomers to confront a problem they couldn’t ignore, ultimately ...

Astronomers have been treated to a stunning fireworks display from around a young star called The events, detected in 2004 ...

The visitor, known as 3I/ATLAS, made its closest approach to Earth on Friday (December 19), zooming by at 130,000mph at a ...

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

Only the third interstellar object recorded as visiting our solar system, 3I/ATLAS will be closest to the Earth on 19 ...

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