Just three decades ago, astronomers had no evidence that planets commonly orbited other stars. Then in 2025, NASA confirmed ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

The event will begin today at 2:30 p.m. EDT (1830 GMT). You can watch it live here at Space.com, courtesy of NASA, or directly via the agency. The moon base is a core piece of NASA's Artemis program, ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

In June 1947, Kenneth Arnold saw something strange in the sky. What he saw sparked a national UFO craze-but it was far from ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

The contracts ​for Firefly and Intuitive ‌Machines ⁠each involve sending another one of their landers to ​the moon.