Uranus sits far beyond the orbit of Saturn, yet its smallest moons are suddenly at the center of a quiet revolution in outer ...

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the sun on its path out of the solar system ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

On December 19, this interstellar visitor with its peculiar composition offers a glimpse into the makeup of celestial bodies ...

Leaked images of 3I/ATLAS suggest the US may have been tracking the interstellar object for years using the secret Cassandra planetary defense system, long before the public knew.

It uses your phone’s sensors, GPS data, and object catalogs to help you align, locate, and track targets with minimal ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

A giant, 250,000-mile X-ray cloud has been found around the interstellar comet 3I/ATLAS, baffling experts. Discover why this ...

The most convincing evidence to date of a dense atmosphere around a rocky planet outside the solar system has been found in ...

NASA advances heliophysics mission concepts as CINEMA enters Phase B for flight planning and CMEx receives an extended Phase A study for further design assessment.