Electrons in solar materials can be launched across molecules almost as fast as nature allows, thanks to tiny atomic vibrations acting like a “molecular catapult.” In experiments lasting just 18 ...

Most space missions rely on chemical rockets for propulsion. Rockets must carry fuel, which increases spacecraft mass and limits their speed and travel distance. For decades, researchers have explored ...

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two decades. The video shown below—made from images captured by NASA’s Solar ...

Astronomers produce the most complete map of the center of the Milky Way, which can provide insight into how stars and planets are formed.

On April 8, 2024, people across the world witnessed a solar eclipse, a relatively rare event in which the moon occults (blocks out) light from the sun. To capture this event, volunteers at 143 ...

This false-color image of south-central Morocco was taken by the Copernicus Sentinel-2 mission and released on the European Space Agency website on Feb 20, 2026.