Smaller than a strawberry seed, this tiny signal amplifier was produced by the European Space Agency to fill a missing link ...

"We have had a very detailed analysis of the maiden flight and obviously discovered a few anomalies and things that need to ...

Strange x-ray pulses hint at a surprisingly long-lived white dwarf orbiting precariously close to a supermassive black hole ...

This weekly newsletter on rockets provides definitive coverage of the global launch industry. The big news this week is the ...

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble ...

In the photo from the space station, the comet is captured just above Earth’s horizon, which is illuminated by a bright light ...

There is only one way to experience lunar gravity while still on Earth, or rather a few thousand feet above its surface: on a parabolic flight. In this exclusive mini-documentary, Space.com reporter ...

The U.S. has the world's largest carrier fleet with 11 in service, while China ranks second with three and Japan has two ships being converted into carriers.

The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

The proposed station aims to revolutionize global energy supply by harnessing the sun's energy from space and transmitting it ...

Discover the fascinating story of the 'blue lurker,' a mysterious star in the M67 star cluster studied by NASA's Hubble ...