Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Officials revealed that an alleged human smuggling operation involving over a dozen individuals has been uncovered inside a Texas home. Authorities with the Texas Department of Public Safety and ...

Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm liquid water that ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

Aliens?! Enchiladas?! What is this world coming to? Or should I say, what is coming to this world? Enceladus is Saturn’s sixth-largest moon, but it would be better described as a winter wonderland.

The comet originated from outside our solar system and poses no danger to our planet. NASA officials have rejected theories that the object could be an alien spaceship. While not visible to the naked ...

When astronomers search for life beyond Earth, they usually start with a familiar question: could a particular exoplanet support biology like ours? Liquid water, mild temperatures, and Earth-like ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...