The maneuvers will be undertaken by SpaceX, the owner of the largest satellite fleet in orbit. About 4,400 of the company’s ...

Find out what's up in your night sky during January 2026 and how to see it in this Space.com stargazing guide.

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

January for lovers of astronomy is highlighted by the Quadrantid meteor shower, as Greg Redfern highlights in January’s ...

Lineups of planets have often attracted attention for their supposed effects on human affairs—and for several days in early January, five solar system bodies are arranged in a n ...

On Jan. 6, when Saturn passes closest to the south-southeast of 20 Psc, it is equidistant from 20 and 24 Psc, 0.9° from each.

Ever wondered which constellation mirrors your personality? Take this cosmic quiz to find out which starry pattern best ...

The month brings a strong lineup of celestial sights, including a supermoon, meteor activity, and several close moon-planet ...

By analyzing the archival data from the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of ...

The discovery is the first direct observational confirmation of a theory for how young stars feed on, and then explosively ...

When you gaze up at the night sky these days, what appears as a string of slow-moving lights could be Starlink satellites. For centuries, humans looked to the heavens for navigation, inspiration, and ...

“The recent Nature paper by Borlaff, Marcum and Howell raises important concerns about our ability to continue gathering ...