A spacecraft was sent into orbit on Friday to rescue the Swift Observatory in a daring first-of-its-kind endeavour.

A three-armed spacecraft rocketed into orbit Friday to rescue a NASA telescope that’s in danger of crashing back to ...

A three-armed spacecraft has rocketed into orbit to rescue a NASA telescope that's in danger of crashing back to Earth.

NASA is racing to save an aging telescope from falling back to Earth with a daring rescue mission. The $30 million salvage ...

The $30 million salvage operation gets underway as soon as this week with the planned launch of a robotic lifesaver.

The scientist is Neil deGrasse Tyson, and in the United States he is probably the most recognised face of science alive today ...

Sign up for the free Mother Jones Daily. War. Oil shocks. A corrupt president and a scandal-ridden administration. Civil ...

When the Strawberry Moon rises above South Carolina on Monday June 29 that is the celestial signal that summer has begun. The ...

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing ...

Galaxies live by making stars, and making stars takes gas. As long as a galaxy holds onto its gas, astronomers expect it to keep growing, especially in the crowded early universe. The James Webb Space ...

Informed by science from the Smithsonian Astrophysical Observatory and astronomers worldwide, this “documentary that you can walk through” visualizes the cosmos in a 3-D introduction to the universe ...