The moons that orbit Uranus are already known to have unusual characteristics: some are heavily cratered, others have ...

This material causes Titania and Oberon to have darker and redder leading hemispheres. These outer moons effectively shield ...

The game-changing Vera C. Rubin Observatory will collect more astronomical data in its first year than all other telescopes ...

Though 2025 won't mark the return of astronauts into deep space as NASA had hoped, launchpads still will be scorching-hot from a procession of robotic spacecraft attempting to land on the moon. How ...

Imagine waking up tomorrow and discovering that Earth had started spinning in the opposite direction. The sun would rise in ...

The nature and evolution of stars, galaxies, galaxy clusters, dark matter and dark energy—and our attempts to understand these things—allow us to pose the ultimate questions and reach for the ultimate ...

The moon is by far the most observed object in the sky. Whether spotted during the day when mostly fully illuminated or gazed ...

The asteroid, also known as Kamoʻoalewa, is a strange little object just 40 metres wide. It orbits the Sun in sync with Earth, making it a “quasi-moon”, an asteroid that stays close to our planet but ...

"Ocula will provide critical data that informs future human and robotic missions and supports national security with ...

Better understanding the lunar lighting environment will help NASA prepare astronauts for the harsh environment Artemis III ...

Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...