NASA's Interface Region Imaging Spectrograph (IRIS) mission captured an X1.1-class solar flare. See time-lapse footage of the blast that caused "a strong shortwave radio blackout over South America," ...

Most of that brightness increase has been in the green part of the visible light spectrum, suggesting a “surge of gas production as the comet nears the Sun,” according to SpaceWeather. “The key ...

NOAA's GOES-19 satellite may have captured the first natural solar eclipse from space, with the moon's odd path explained by a spacecraft maneuver.

While we haven't seen an interstellar comet being struck by a coronal mass ejection before, we have seen it happen to others. This happened on April 20, 2007, when NASA's STEREO A spacecraft saw Comet ...

Sky-watchers in the United States might witness the Northern Lights. The National Oceanic and Atmospheric Administration forecasts aurora visibility i ...

For decades, the military has relied on large, multi-ton satellites for global communications from geostationary orbit (GEO), a prime location 35,000 kilometers above Earth that provides unique ...

NASA's ambitious mission to return astronauts to the moon for the first time this century is on track to launch no later than April 2026, but it just might fly sooner if all goes well. Final tests of ...

There exists a well-worn literary tradition of mysterious religious zealots and charismatic fanatics found in the annals of science fiction lore, but few so captivating and worthy of further ...