NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that ...

NASA plans to test SpaceX’s Starshield satellite network, designed primarily for national security users, to support ...

To develop more robust next-generation aerial explorers, NASA's Mars Exploration program is turning to drones.

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

The head of NASA’s astrophysics division offered an upbeat assessment of upcoming missions, a stark contrast to the agency’s ...

MAVEN has circled Mars for more than a decade, exploring the planet and relaying data from robots on the surface.