The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

Though full terraforming may take centuries, if not millennia, the long-term goal would be a Mars with stable liquid water, ...

South Korea’s state-backed Institute for Basic Science has ordered the first of five cubesats to study Venus from LEO ...

New research suggests that our entire solar system is vulnerable to being thrown into chaos by a distant star.

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

Visitors inspect and take a photo of the lunar samples retrieved from the moon by China's Chang'e 5 spacecraft displayed at ...

China’s Tianwen-2 mission has launched to explore an asteroid that may be a piece of the moon, as well as an active asteroid ...

Jupiter wasn’t always the planet we know today—it was once twice as big, had a magnetic field 50 times stronger, and its ...