As soon as the leak stabilized, the astronauts closed the hatch and started repressurizing the airlock. "Getting the airlock closed ...

These missions require medium-lift rockets, or smaller rockets capable of a high-rate launch cadence to match the capability of a ...

Playing defense Reefense The project is one of three being developed under a $67.6 million program launched by the US government’s ...

Our planet is choking on plastics. Some of the worst offenders, which can ...

Scientists have discovered that removing a single gene from fat tissue can significantly boost the body’s metabolism, leading to ...

Enlarge / NASA astronauts Butch Wilmore and Suni Williams wave to their families, friends, and NASA ...

Enlarge / The Ig Nobel Prizes honor "achievements that first make people laugh and then make them ...

Enlarge / The name placard for Dr. Ralph de la Torre, founder and chief executive officer of Steward Health ...

Enlarge / Artist's illustration of catch arms ensnaring SpaceX's Super Heavy booster. ...

Enlarge / "The only species of fish confirmed to be able to escape from the digestive tract of the predatory ...

In an age when you can get just about anything online, it's probably no ...

Enlarge / The main body of NASA's Europa Clipper spacecraft is reflected in one of the mission's deployable ...