Parts of the Americas was treated to a Total Lunar Eclipse (also known as a "blood moon") in March. Credit: NASA/JPL-Caltech ...

There are huge, invisible structures in the ionosphere that are high above the surface of the Earth. These structures are ...

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...

A long-dead experimental Nasa satellite suddenly emitted a powerful energy blast recently, leaving scientists perplexed.

A line in NASA’s fiscal year 2026 budget proposal, released May 30, provided the first public indication that NASA’s Escape and Plasma Acceleration and Dynamics Explorers, or ESCAPADE, mission ...

To simulate menstrual fluid, the team used glycerol, a thick liquid similar in consistency to blood. In both pre-flight and ...

Out where the Sun shrinks to a bright pin, Voyager 1 is getting a cosmic suntan. Nearly 24 billion kilometers from Florida’s launchpad, the 48-year-old ...

Relay 2 became inoperable nearly 60 years ago, but for a brief moment in 2024, it outshone the rest of the sky.

After taking a closer look, however, the team realized that the only viable source for the burst was NASA’s dead Relay 2, a ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that ...

CMEs are huge bubbles of coronal plasma that the sun occasionally ejects, NASA says online. Often, CMEs look like "huge, twisted ropes," NASA says, because they involve the sun's magnetic fields.

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began ...