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

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

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

NASA has selected two science instruments designed for astronauts to deploy on the surface of the moon during the Artemis IV ...

NASA’s TRACERS mission begins early science measurements in Earth’s southern polar cusp, tracking magnetic reconnection and ...

NASA has abruptly lost contact with a key spacecraft circling Mars, cutting off a scientific workhorse that has spent years ...

Our planet Earth and Mercury have invisible tails stretching millions of kilometres. These cosmic tails are real phenomena.

NASA has lost contact with MAVEN, a spacecraft that has been orbiting Mars for more than 11 years and one of only three ...

Billionaire tech entrepreneur Jared Isaacman returned to Capitol Hill Wednesday for his second confirmation hearing for the ...

Lawmakers defended NASA research efforts Wednesday at a hearing on President Donald Trump's choice to lead the space agency.