The solar system’s first solids formed in a rush
Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed rapidly in a chaotic disk at the dawn of the solar system
What’s the weirdest planet in the solar system?
All the sun’s planets are oddballs. But some are more so than others
What’s this fast-moving wave of darkness creeping across Mars?
Observations by the Mars Express orbiter reveal rapid changes on the Red Planet’s surface from windblown volcanic ash
Artemis II reveals why humans still love the moon
The triumph of NASA’s first crewed lunar mission in a half-century is a reminder of what the moon really means for Earth—and why we’re going back
NASA’s Dragonfly will explore the air, land and seas of Titan, Saturn’s most mysterious moon
NASA plans to launch a wildly ambitious nuclear-powered octocopter to Saturn’s largest moon, Titan, in 2028
Is this the year the U.S. finally lands a robotic rover on the moon?
A hidden milestone lurks in the U.S.’s Artemis-focused lunar ambitions—the nation’s first-ever successful robotic moon rover
NASA’s Artemis era may finally solve three major moon mysteries
If NASA’s ambitious lunar exploration plans succeed, scientists will cover the moon with sensors—and find answers to several long-standing questions about the inner solar system
NASA’s Artemis II mission nears its historic lunar flyby
The fifth day in space for Artemis II saw space suit tests, an Easter egg hunt and final preparations for an imminent close encounter with the moon
NASA’s Artemis II launches on first crewed moon mission of the 21st century
A daring 10-day voyage will take four astronauts on a loop around the moon and set the stage for future forays to the lunar surface
Astronomers witness the birth of a new solar system
The decades since scientists confirmed the first planet around another star have been rich in discovery, but it’s rare to see a new solar system as it forms
When did plate tectonics on Earth begin? New research finds some of the earliest clues
Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years
There might be less water on the moon than we’d hoped
New satellite data come up dry as the search for lunar ice continues