New Horizons just completed its first successful stellar navigation test in deep space, a groundbreaking moment for ...

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 ...

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 ...

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

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

Astronomers have confirmed that a recently spotted object is an interstellar visitor, and appears to have come from the ...

This emission is strongest under conditions which are intermediate between those in the interior of nebula and those in the dense cloud.

NASA's New Horizons spacecraft has successfully conducted the first-ever deep space stellar navigation test, while traversing the Kuiper Belt.

Astronomers discovered 3I/ATLAS, an interstellar object moving at over 60 km/s towards the Sun. It's the third known object ...