The “dark energy” field that has fueled the expansion has been weakening over the past 4 billion to 5 billion years, new data ...

The European Space Agency’s “dark universe detective” discovered millions of new galaxies and offers potential clues about ...

A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

WASHINGTON— The NAB Show has announced the agenda for the Broadcast Engineering and IT (BEIT) Conference, taking place April ...

NASA’s most ambitious Arctic research mission yet has uncovered unexpectedly high concentrations of ice particles in clouds ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at hundreds of millions of galaxies and their shared cosmic glow since the beginning ...

Live updates from Tuesday afternoon’s SpaceX Starlink 12-25 mission that launched a Falcon 9 rocket from Cape Canaveral Space ...

Why SpaceX, Rocket Lab, Arianespace made Fast Company's list of the most innovative companies doing work in space.

A SpaceX Falcon 9 rocket will potentially launch a payload of Starlink internet-beaming satellites into low-Earth orbit from ...

SpaceX and other companies plan to launch tens of thousands of satellites, which could mar astronomical observations and pollute the atmosphere.

On June 18, 1983, Sally Ride made history as the first American woman to journey into space, soaring aboard the shuttle ...