We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

In a Martian valley carved by ancient rivers, a four-pound helicopter sat in silence, its blades half-buried in red dust.

Deep within a region dubbed Sapphire Canyon, NASA’s Perseverance rover uncovered mineral veins and sediment patterns that ...

A newly discovered space rock will zoom safely by Earth later today (Oct. 15) at only about a quarter of the average distance ...

NASA's Artemis program is set to explore the Moon's south pole, a region of perpetual darkness holding clues to the solar ...

CO₂ ice blocks on Mars may dig gullies as they slide and sublimate in the thin atmosphere. In lab experiments, scientists recreated these eerie, worm-like movements under Martian conditions. The ...

With the recent discovery of traces of what may or may not be or have been life on Mars, eyes are turning to another world in ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...