Its closest approach to the Sun will occur around October 30, just inside Mars' orbit, at 1.4 AU, before it continues its ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Space scientists say they are preparing a comet interceptor spaceship as the third interstellar object ever detected was spotted this week. A mysterious object the size of Manhattan was spotted by ...

Once in space, the Comet Interceptor will travel to the Sun-Earth Lagrange point L2 (just like Ariel), meaning 932,000 miles ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Astronomers discovered 3I/ATLAS, a 10–20 km-wide interstellar comet racing into the solar system. It will reach perihelion in ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...