NORAD, the North American Aerospace Defense Command, tracks Santa's Christmas Eve flight around the world each year. Follow a ...

"The cosmic dipole anomaly has thus established itself as a major challenge to the standard cosmological model, even if the ...

From bizarre snowstorms to a weird hurricane season, 2025 was an odd bird for weather. Here's our ranked list of what we ...

The Arctic is transforming faster and with more far-reaching consequences than scientists expected just 20 years ago, when the first Arctic Report Card assessed the state of Earth’s far northern ...

Pittsburgh has more than 20,000 vacant housing units, according to U.S. Census Bureau estimates, about 15% of its total stock. Thousands are unlivable or so-called “dead-end” properties, for which the ...

NASA's SPHEREx has mapped the entire sky in 102 infrared colors, revealing hidden details about galaxies and the early ...

An Indian rocket is scheduled to launch the record-breaking BlueBird 6 smartphone satellite tonight (Dec. 23), and you can ...

Early risers across North America and Europe may spot a bright, silent light gliding across the Christmas sky — and it just ...

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

Space is always inspiring and 2025 was no exception, with finding Betelgeuse’s buddy, debuting a prolific survey telescope ...

Explore some favorite visual stories of designers, developers and art directors from The Washington Post’s Design, Graphics and Opinions teams.

The lithium problem poses challenges to BBN models, sparking research into cosmic processes and enhancing our grasp of ...