An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Millions in the streets. An unpopular war. Violence. And in the middle of all that: a moonshot. The parallels between today ...

A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

A rare interstellar comet, C/2025 R3 (Pan-STARRS), is traversing our solar system, offering a unique opportunity for ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Earth Day is April 22, but activities begin this weekend. They include a festival featuring Washington’s favorite geologist, ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Titan is the largest of Saturn’s 292 known moons, by far. It’s also the only other cosmic body apart from Earth confirmed to ...

Comet C/2025 R3 PanSTARRS is brightening and could be visible before sunrise in April. Here’s when and where Californians can ...

Named after the Egyptian god of chaos and eternal darkness, the large asteroid will pass by in 2029 but scientists say there ...