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

NASA is probing a sudden loss of contact with its MAVEN Mars orbiter after rare 3I/ATLAS data, raising questions about timing ...

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

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global ...

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map ...

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

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

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