SpainSat NG-II consists of the second of a pair of satellites that provide X-band and military Ka-band communications for ...

New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

The lawsuit is driven by Trump’s effort to bar unions at NASA on the grounds that they hinder the agency’s “national security ...

China expands classified geostationary satellite series with Long March 5 launch China launched the latest in a series of ...

The Simons Observatory is one of the most ambitious cosmic observatories on Earth, dedicated to studying the cosmic microwave ...

Astronomers have unveiled a new catalog of massive galaxy clusters, revealing new insight on the evolution of the universe ...

This article originally published at Hank Green, celebrity YouTuber and science communicator, to speak at Space Center ...

New dating techniques of a century-old fossil site in New Mexico dispel the theory that dinosaurs were already in decline before the fateful asteroid hit.

Experts believe that a five-foot-wide piece of space debris discovered near an Australian mining town was part of a dead ...

Claims that China's space agency revealed concealed NASA data on the interstellar comet 3I/ATLAS have swept social media, but ...

Somerville’s City Council on Thursday evening will discuss giving up to $18 million in property-tax breaks for an unnamed ...

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...