Though astronomers have known about the threat posed by near-Earth objects since the 1970s, efforts to catalogue potentially ...

A piece of space junk called Cosmos 482 is unlikely to pose a threat to people or property. But space experts say it ...

New research suggests there may be a hidden population of minimoons lurking near Earth, with fragments of the Moon traveling ...

A giant impact crater on the moon may contain primordial pieces of the lunar mantle and remnants of an ancient magma ocean, researchers say. Crewmembers on upcoming Artemis missions could potentially ...

Space junk and meteoroids are falling to Earth every year, posing a growing risk as they re-enter the atmosphere at high speeds. Researchers are using infrasound sensors to track these objects, ...

A team of international scientists has identified a promising Planet Nine candidate by comparing infrared surveys of the sky ...

"If there were only one object, that would be interesting but an outlier. If there's two, we're pretty confident that's a ...

“This was taken by a civilian pilot,” said Luis “Lue” Elizondo, a former U.S. Army counterintelligence officer turned UFO disclosure advocate. He squinted at the printout in his hands. “You’d think ...

NASA is tracking a house-sized asteroid making its way toward Earth today, May 2, 2025, with an alarming speed of 42,300 ...

NASA is also tracking two other asteroids near Earth today, including a larger bus-sized one called "2025 HR1" that's ...

A Soviet-era spacecraft meant to land on Venus in the 1970s is expected to soon plunge uncontrolled back to Earth, possibly ...

They’re getting lost in the saucer. A new photo claiming to show a 1,000-foot-wide UFO in the American Southwest has been released by unidentified aerial phenomenon disclosure activists — ...