Scientists may have found the first moon beyond our Solar System. Unlike every moon we know, this giant world does not orbit a planet. Instead, it circles a brown dwarf – a strange object that falls ...

Humans discovered the first exoplanet in 1992 and have since found approximately 6,000 other planets from outside our solar ...

Compared to places with eerie reputations like Roswell and Area 51, the Bay Area isn’t exactly a hotbed of UFO activity. The ...

Ancient samples from the moon's far side are helping scientists uncover how asteroid impacts shaped the early solar system.

Mono Lake, set in the eastern Sierra Nevada Mountains, is one of the most surreal places in the U.S. Aside from its ...

Prior moon rock samples, including from Apollo, seem heavily influenced by one impact. The farside samples tweak the story.

NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III ...

What has eluded detection so far have been exosatellites: moons orbiting those remote planets. Our solar system is home to a ...

Astronomers discovered a moon-like object orbiting a brown dwarf that's orbiting a star. Say that three times fast.

From Primer to Inception, these superb movies perfectly balance the sci-fi and thriller genres, remaining virtually flawless ...

NASA’s masterplan for upcoming lunar landings has a flaw that could prove fatal to the U.S. astronauts set to touch down on ...