"Excessive secrecy has led to grave misdeeds against loyal civil servants, military personnel and the public — all to hide ...

The goal of the Parker Solar Probe mission is to investigate the mysteries of the sun's corona, its outer atmosphere. What ...

Hollywood has made a cottage industry out of imagining biological space aliens, but if intelligent life is out there it’s ...

But NASA and Roscosmos disagree on when the leak rate would become untenable. When that happens, the space station crew will ...

The Chandra X-ray Observatory is the darling of high-energy astrophysics. Famed for providing unequaled x-ray views of ...

It all started with a Big Bang – and now scientists are on a quest to unravel the mystery behind the birth of the universe.

Scientists using observations from NASA’s Neil Gehrels Swift Observatory have discovered, for the first time, the signal from ...

American space agency NASA says it has begun installing the telescope assembly in the space observatory that will become ...

A group of international astronomers have discovered three mysterious, ultra-massive galaxies in the early universe. The ...

NASA is uncovering the mysteries of dark matter and dark energy, which make up most of the universe. What are these forces?

“We have a top-notch telescope that is well aligned and has great optical performance at the cold temperatures in space,” ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...