Space News

The Kardashev scale classifies hypothetical alien civilizations by how much energy they use.

NASA announced Dec. 3 its intent to purchase three more commercial crew missions from SpaceX as a hedge against further delays in the certification of Boeing's CST-100 Starliner. SpaceNews

A new senior procurement executive for space programs will oversee the transfer of the Space Development Agency and a restructuring of the Space Systems Command SpaceNews

NASA awarded a contract to Northrop Grumman Dec. 2 for the production of several pairs of Space Launch System solid rocket boosters as well as development of a new version of the booster. SpaceNews

A total solar eclipse plunged Antarctica from summer into darkness early Saturday in a rare astronomical spectacle witnessed by a handful of scientists and thrill-seekers--and countless penguins.

NASA intends to issue a sole source modification to SpaceX to acquire up to three additional crew flights to the International Space Station as part of its Commercial Crew Transportation Capabilities (CCtCap) contract......

Some of the highest diurnal tides in the world--nearly 14 meters (46 feet)--have been recorded in the Sea of Okhotsk....

This image from the NASA/ESA Hubble Space Telescope features the spiral galaxy Mrk (Markarian) 1337, which is roughly 120 million light-years away from Earth in the constellation Virgo....

The International Space Station was orbiting 263 miles above the southeast coast of Brazil on the Atlantic Ocean into an orbital sunrise when this photograph was taken....

So much happens in Star Trek: Discovery's season 4 episode "Choose To Live" that it can be overwhelming.

The goal is to speed up solar system communications.

The only total solar eclipse of 2021 was only visible across a remote stretch of Antarctica. See photos of what scientists saw.

The only total solar eclipse of 2021 took place under especially isolated circumstances today, sweeping over sparsely populated Antarctica in a dazzling sight.

The picture book paints Edwin Hubble's biography in a way that teaches and entertains.

An international team of scientists, in which researchers from the Instituto de Astrofísica de Canarias (IAC) participate together with other institutions from Spain, Italy, Germany, Belgium, UK, and Mexico, has been ab...

Context Camera imagery reveals dark streaks extending east of minor crater rims within and around Holmes Crater....