An object dubbed 3I/ATLAS is only the third interloper from outside the Solar System seen in all of human history.

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

NASA has discovered a rare interstellar object named 3I/ATLAS—only the third of its kind ever detected. The comet, which ...

By Will Dunham WASHINGTON (Reuters) -Astronomers are tracking a newly spotted comet hailing from parts unknown, only the ...

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 ...

“On July 1, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, ...

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

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...

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 ...