Plumes of smoke from a dozen wildfires hovered over a wide swath of Washington state this weekend, as seen in this ...

Located at the Hat Creek Radio Observatory in Hat Creek, California, the Allen Telescope Array is caught in the ...

The Space Shuttle Columbia carried the Chandra X-ray Observatory into space on July 23, 2020. To commemorate the ...

Technically, the galaxies have probably existed for billions of years, but these seven had slipped under the radar ...

On March 29 at 1:48 p.m. EST, the sun issued a massive X1 flare that caused a brief radio blackout on the sunlit ...

After five years' work, and a disappointing mechanical failure, NASA's exoplanet-hunting Kepler telescope is moving ...