Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

Red giant stars are known to have stellar winds far more powerful than those of the Sun. It was thought that the light these stars produce powered the winds, pushing grains of dust made up of carbon ...

Two rare cosmic collisions around the young star Fomalhaut were caught by space telescopes, offering new clues about how planets form.

Every year, Santa Claus races around the globe in a matter of hours to bring presents to children all over the world.

How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my ...

Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

For more than a decade, NASA’s Cassini spacecraft traced Saturn’s rings and moons, returning some of the most detailed ...