Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

The solar superstorm emanated from an active sunspot region called AR3664. Clusters of sunspots like this one are notorious for producing explosive solar phenomena, such as solar flares (sudden bursts ...

Moons may seem like quiet companions to the planets, but many of them are worlds every bit as fascinating as the planets themselves. Some are covered in oceans, some erupt with lava, and others hide ...

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency's Mars orbiters, we now know: glitching ...

On April 8, 2024, people across the world witnessed a solar eclipse, a relatively rare event in which the moon occults (blocks out) light from the sun. To capture this event, volunteers at 143 ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

Astronomers already know how planetary systems are born and how they look once they ...