Four astronauts are heading home after looping around the Moon on NASA's Artemis II mission, a landmark step in returning ...

Following its longest hibernation period ever of nearly a year, NASA’s New Horizons spacecraft has emerged in good health and ...

A newly discovered underwater volcanic eruption north of Papua New Guinea is unfolding in one of the world's most poorly mapped ocean basins. Satellites have spotted steam plumes, ash, thermal ...

NASA is recruiting volunteers for a yearlong Moon and Mars simulation at Johnson Space Center to test long-duration missions.

Anil Menon, an India-origin astronaut with NASA, is scheduled for his first mission to the International Space Station on ...

The set recreates the observatory's internal optics, posable solar arrays, and opening aperture door across a 15-inch ...

A space neophyte not long ago, China is now the United States’s main competitor for supremacy throughout the solar system.