"There's no place on Earth cold enough," Mary Hagedorn, a senior research scientist at the Smithsonian's National Zoo and ...

CAPE CANAVERAL — Starliner will wait at least four more days for its first crewed launch.

Like past zero-g indicators, "Calypso," the doll, will begin to float as "Calypso," the capsule, reaches orbit, signaling to ...

The Solar Orbiter spacecraft captured outbursts, jets and rivers of plasma beneath the arch of a glowing coronal loop.

United Launch Alliance 's Atlas V rocket has been in service for two decades, carrying missions like the Mars Reconnaissance ...

Henk Hoekstra is a professor in observational cosmology at Leiden University.

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

NASA astronauts Butch Wilmore and Suni Williams will extend legacies that began with the first U.S. human orbital flights.

CFT's two crewmembers are NASA's Butch Wilmore and Suni Williams. After the scrub was announced, both astronauts disembarked from Starliner and headed back to the crew quarters at NASA's Kennedy Space ...

Rather than fit each Polaris Dawn astronaut with an IVA flight suit as well as a new EVA suit, the crew will don SpaceX's EVA spacesuit for both launch and landing, as well as during the mission EVA.

A collectible embroidered patch created to honor the first woman to command a U.S. spacecraft features a geometric pattern representing the glow of her space shuttle lifting off i ...