NASA scientists are warning that the Sun’s internal engine is behaving in ways they have not seen in years, pointing to an ...

NASA’s Parker Solar Probe is making its second of three planned close passes through the sun’s outer atmosphere. The spacecraft will reach speeds of 430,000 mph, making it the fastest human-made ...

NASA's Parker Solar Probe has found news clues in the longstanding mystery of why the sun's outer atmosphere, or corona, is so much hotter than our star's surface. When you purchase through links on ...

The spacecraft made the closest ever flyby if the sun on Christmas Eve, but it's been silent since Dec. 20. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Astronomers using NASA’s infrared Spitzer Space Telescope have discovered that an exploded star, named Cassiopeia A, blew up in a somewhat orderly fashion, retaining much of its original onion-like ...

WASHINGTON – NASA scientists will join researchers from around the world to celebrate the 20th anniversary of the Montreal Protocol, an international treaty designed to reduce the hole in Earth’s ...