The Asteroid Terrestrial-impact Last Alert System (ATLAS) in Chile first saw this celestial wanderer on July 1, 2025. It is ...

Today, Mars is known as the red planet, for its rust-colored desert landscape. Once upon a time, Mars was a very different ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

The NASA-funded ATLAS survey in Chile found the object on July 1, 2025. It was quickly recognised as the third interstellar ...

Image number 100,000, which was captured on Oct. 7, "shows mesas and dunes within Syrtis Major, a region about 50 miles (80 kilometers) southeast of Jezero Crater, which NASA's Perseverance rover is ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

The sudden silence of a veteran Mars spacecraft has turned a routine comet flyby into one of the most intriguing space ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

NASA has lost contact with its MAVEN spacecraft, which has been orbiting Mars for over a decade. The loss of signal occurred on Dec. 6 as the orbiter passed behind Mars from Earth's perspective. MAVEN ...

NASA has lost contact with one of its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars orbiter is perilously close to running out of fuel, and the third mission ...

WASHINGTON — NASA has lost contact with a Mars orbiter that has circled the planet for more than a decade, collecting science data and serving as a key communications relay. In a statement late Dec. 9 ...