NASA is testing out a new type of small satellite that is about the size of a manhole cover that could provide more opportunities for the agency’s missions.

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s latest mission aims to catch the planet in the act of losing what remains of that air,

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from some orbiting telescopes.

Thousands of newborn stars sparkle and dazzle in the latest snapshot by NASA’s Webb Space Telescope. Released this week, the picture provides a breathtaking view of a nearby star-birthing center, 5,500 light-years away. A single light-year is 5.8 ...

The images, captured around Oct. 2-3, remain unreleased. Their delay is attributed to the federal government shutdown that began on Oct. 1, which furloughed NASA personnel and paused data processing, review, and public communication. While most observers ...

NASA has named the next 10 members of its astronaut corps, and one of those 10 is a geologist with plenty of space research experience who hails from the Pacific Northwest. Lauren Edgar — who regards Sammamish, Wash., as her hometown — is part of the ...