We’ve discovered thousands of exoplanets — but not a single confirmed exomoon. That doesn’t mean they aren’t out there. In ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained ...

New observations show a small Saturn moon has generated electromagnetic waves that extend more than 313,000 miles behind it inside Saturn’s magnetic field. That newly measured reach reveals a tiny icy ...

A US lawmaker says he has heard classified briefings describing an object of extraordinary size recovered outside the country. The claim has intensified demands in Washington for greater transparency ...

The Lunar Gateway is planned space station that will orbit the moon. It is part of the NASA‑led Artemis program. Artemis aims ...

Researchers have uncovered more than a thousand previously unknown tectonic ridges across the Moon’s dark plains, showing the ...