NASA has selected a heliophysics mission to move into the next phase of development amid broader concerns about the state of ...

NASA has lost contact with one of its longtime Mars workhorses after the spacecraft abruptly stopped communicating. Maven was ...

A novel "X-arithmetic" technique reveals how black holes shape the universe's largest structures.

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

NASA astronaut Jonny Kim flew home with two Roscosmos cosmonauts from the International Space Station packed tight in their ...

Kim officially became an astronaut in 2017. Expedition 72 and Expedition 73 marked Kim’s first visit to the ISS, where he ...

NASA associate administrator Amit Kshatriya and associate administrator of NASA Science Dr. Nicky Fox explain that "all ...

The head of NASA’s astrophysics division offered an upbeat assessment of upcoming missions, a stark contrast to the agency’s ...