The 38-foot-wide space rock is projected to come to within just 123,000 miles of our planet, according to NASA.

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 ...

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, who was born and raised in Los Angeles, returned to Earth Tuesday after 245 days in space. Kim and ...

NASA seeks capabilities that enable the delivery of systems allowing crews to detect and interpret anomalous spacecraft ...

The comet will come much closer to Jupiter in March, zipping within 33 million miles. It will be the mid-2030s before it ...

A stray comet from another star is swinging past Earth. Discovered over the summer, the comet known as 3I/Atlas will pass ...

Telescopes across the globe will track it so that astronomers can determine its exact location and make predictions about ...

The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.

Discovered over the summer, the comet known as 3I/Atlas will pass within 167 million miles of our planet on Friday. That's as ...

To develop more robust next-generation aerial explorers, NASA's Mars Exploration program is turning to drones.