Underneath the arch of a huge coronal loop, a wealth of exotic solar phenomena active in the transition zone between the ...

CAPE CANAVERAL — Starliner will wait at least one night more for a launch.

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

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 ...

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

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

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

The satellite had gone off the grid from radar not once but twice — once in the 1970s and then again in the 1990s.

Astronauts who explore Mars should be careful not to leave too heavy of a footprint, experts stress. Indeed, human ...

CAPE CANAVERAL, FLORIDA — Starliner will send its first astronaut crew to space as early as Monday (May 6), and Mission ...

The one-week Crew Flight Test passed its latest flight readiness review with NASA on Thursday (April 25). CFT, the first ...

Like past zero-g indicators, "Calypso," the doll, will begin to float as "Calypso," the capsule, reaches orbit, signaling to Wilmore and Williams that they have entered the microgravity environment of ...