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

Beyond the fact that this is the third known interstellar object to have entered our solar system, “we don’t know very much,” ...

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

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

Astronomers confirm third interstellar object, 3I/Atlas, a fast-moving comet from deep space, giving rare insight into ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

NASA has discovered a mysterious interstellar comet entering our solar system. Learn what this strange visitor is and how scientists are tracking it now.

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 ...

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

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

ScientiFix, our weekly feature, offers you a summary of the top global science stories of the week, with links to their ...