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"ULA’s Centaur (with minor modifications) is the only existing in-space propulsion stage capable of meeting the SLS upper stage design parameters and performance characteristics, while also meeting ...

NASA's DART mission launched from California changed not just the orbit of Dimorphos, the asteroid it hit, but the larger Didymos' path around the sun.

The tool will let you track NASA's modern lunar program during its 10-day flight around the moon and back again.

After a spectacular run, the aurora borealis is taking its final bow.Subscribe to The Post Most newsletter for the most important and interesting stories from The Washington Post. In the past two ...

NASA has picked three companies to develop a new lunar racer car that Artemis astronauts will use to traverse the Moon in the ...

Launched in 2021 on the world’s first planetary defense exercise, the Dart spacecraft deliberately plowed into Dimorphos, which orbits a bigger asteroid, Didymos, as they circle the sun together. The ...

New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by diverting their orbits.

Florida residents spotted a mystifying “cloud” early Wednesday morning. The strange occurrence, known as noctilucent clouds, was sparked by a SpaceX Starlink launch in Cape Canaveral shortly before 6 ...

Two landers manufactured by Firefly Aerospace and Intuitive Machines were briefly on the moon at the same time in March 2025.

Starship hasn't launched in months. Here's when SpaceX may launch the world's largest rocket from Texas as preparation for a ...

A week after NASA Administrator promised consequences for the agency’s mishandling of the Boeing Starliner saga, two key leaders of its Commercial Crew Program are being replaced.