Spotting a possible interstellar object is incredibly rare, and it’s exciting that our UH-operated system caught it,” ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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

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

NASA has discovered 3I/ATLAS, only the third known interstellar object, now passing through our solar system from the ...

Astronomers have discovered a new interstellar comet passing through our solar system, marking the third interstellar object we've discovered.

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

This solar activity led to stunning auroras across the solar system, including at Mars, where NASA's Perseverance Mars rover made history by detecting them for the first time from the surface of ...