The NASA/ESA Solar Orbiter recently recorded the highest-ever concentration of a rare helium isotope (3He) emitted from the Sun. A Southwest Research Institute-led team of scientists sought the source ...

Scientists suspect Solar Cycle 25 may have already peaked early—with a surprise double peak possibly underway. Sunspot surges ...

Researchers bombarded these hybrid lifeforms with a year's worth of Martian radiation in just 5 hours — and they survived, ...

The April 2024 total solar eclipse offered a fleeting but powerful window into the sun’s impact on Earth’s atmosphere.

Multiple spacecraft captured the moon's shadow sweeping across North America at more than 1,500 mph during the 2024 total ...

A dark patch on the Sun's face marked a coronal hole spotted in March 2013 by NASA's Solar Dynamics Observatory. This image shows the Sun in high-energy X-rays using data from three space telescopes.