The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...

NASA’s James Webb Space Telescope has captured the first detailed look at a carbon-rich disk surrounding the exoplanet CT Cha ...

The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.

Sci-fi movies and TV shows love to place a planet inside a binary system. In reality, a planet shouldn’t be able go around ...

Over the past seven decades, thousands of sophisticated spacecraft have been launched on ambitious missions to look down on ...

Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Microbes high in Earth’s stratosphere produce pigments to protect them from UV light – so similar molecules could be ...

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...