Solar System

The moon could still be volcanically active today, according to samples brought to Earth by China's Chang'e 5 mission in December 2020.

Astrophotographer Mark Johnston got a front row seat to an epic fireworks show when he filmed a 100,000-mile-high tower of plasma erupting from the sun.

NASA's MAVEN mission and the Hubble Space Telescope have teamed up to reveal new insights into how Mars' water is leaking into space.

BepiColombo made a close flyby of Mercury on Sept. 4, getting just 103 miles (165 kilometers) above the planet.

Energy-packed plasma waves pump enough energy into streams of solar wind to propel them to their unexpectedly high speeds, observations by two sun-studying spacecraft suggest.

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently reoriented the moon roughly 4 billion years ago, new research suggests.

A 3-foot (1-meter) asteroid burned up harmlessly over the Philippines today (Sept. 4) after being detected just this morning.

Any lunar resource evaluation or prospecting campaign will need to be international in nature, as no one space agency will have the money or mandate to conduct it alone.

A long-sought invisible electrical field wrapped around Earth has been detected more than half a century after it was first predicted to exist.