An update to a story we first told you about last month about physicians at the Medical College of Georgia working with the ...

This week, we examine the recent pager explosions in the Middle East, which have reignited concerns about further escalation ...

In an exclusive interview with NBC’s Lester Holt, which will air on NBC Nightly News on Tuesday, the crew — billionaire ...

The Federal Aviation Administration charged on Tuesday that SpaceX failed to comply with two of its regulations during two ...

A member of SpaceX’s Polaris Dawn mission has described what it was like aboard the Crew Dragon as it entered Earth’s ...

SpaceX is watching the weather ahead of Tuesday's Falcon 9 launch of the European Commission's Galileo L13 mission, which ...

A New Hampshire man and three other crew members from the Polaris Dawn mission discussed their historic journey to space.

The Polaris Dawn crew is back on Earth, splashing down in the waters off the coast of Florida early Sunday morning.

Four private astronauts are back on Earth after a five-day mission that set firsts and broke records in an effort to advance ...

Astronauts on the International Space Station, which has been in orbit for decades, have collected a stunning array of images ...

SpaceX's Polaris Dawn mission was a spaceflight for the ages. Here's what the historic mission was like from launch to ...

Researchers at the University of Colorado School of Medicine and CU Boulder are studying data collected from astronauts on the Polaris Dawn mission.