Astronaut Ready for Silence After Record-Setting Full Year in Space

Last week, Frank Rubio broke the record for the longest continuous spaceflight by a U.S. astronaut.…

A Fireball Whacked Into Jupiter, and Astronomers Got It on Video

In August, stargazers in Japan recorded a bright flash on the giant gas planet. Scientists want…

NASA UFO Report Proposes More Research Into Unidentified Phenomena

The role was created in response to the recommendations of a report that found the agency…

Ufologist Claims to Show Mummified Alien Specimens to Mexico's Congress

In a jaw-dropping presentation, a self-proclaimed ufologist showed members of Congress what he claimed were two…

Satellite Data Yields Clues to Morocco’s ‘Blind Earthquake’

The observations from orbit suggest that a fault that had been inactive in modern times ruptured…

Book Review: ‘The Six,’ by Loren Grush

In a group portrait of America’s first female astronauts, Loren Grush details the basics of training…

In Space, the Past Is Future (and Equally Unpredictable)

Not even the most advanced physics can reveal everything we want to know about the history…

Comet Nishimura: How and When to See It This Weekend

For the next few mornings, just before sunrise, the cosmic snowball will glow green low on…

SpaceX Needs to Make 63 Fixes Before Next Starship Launch, FAA Orders

The agency closed an investigation into what went wrong during an April flight of the massive…

How to Watch Japan’s SLIM Moon Lander and XRISM Telescope Launch Tonight

The telescope will help astronomers study the cosmos, while the lunar mission will aid the development…