Space News

An underwater robot initially built to help astronauts train for life in weightlessness is now being tested in the Mediterranean Sea. One day, robots like this may carry out sophisticated missions on our ocean floors, fr...

The National Reconnaissance Office released Oct. 22 a trove of declassified records --including this video -- from the 1960s about a military human spaceflight program.

A star is dimming for reasons that astronomers can't explain. Is it an alien megastructure? What sort of alien megastructures would be possible?

Intelsat General, Northrop Grumman, Stinger Ghaffarian and Kratos express interest in handling the operation and maintenance of the U.S. Air Force's Wideband Global Satcom communications satellites. SpaceNews.com

With several "Star Trek" fan projects getting funded by independent crowdsourcing platforms lately, it's clear the franchise still has a lot of support after nearly five decades since "Star Trek: The Original Series" fir...

According to observations by Hubble and Kepler, the universe has only just begun to produce habitable worlds -- what does this mean for the evolution of intelligent life?

The full moon of October will rise tonight (Oct. 27) in a lunar treat just in time for Halloween this weekend, and it's a Hunter's Moon, so watch out for early werewolves. Here's some other names the full moon is known b...

Jupiter's moon Europa is believed to possess a large salty ocean beneath its icy exterior, and that ocean, scientists say, has the potential to harbor life....

Science@NASA:

Jupiter's moon Europa is believed to possess a large salty ocean beneath its icy exterior, and that ocean, scientists say, has the potential to harbor life. Indeed, a mission recently suggested by NASA would visit the ic...

Astrobotic Technology, a Pittsburgh-based company competing in the Google Lunar X Prize, announced Oct. 27 it will fly another team's rover to the moon on its mission, now planned for late 2017. SpaceNews.com

Jupiter's moon Europa is believed to possess a large salty ocean beneath its icy exterior, and that ocean, scientists say, has the potential to harbor life. Indeed, a mission recently suggested by NASA would visit the ic...

The baffling and strange behaviors of black holes have become somewhat less mysterious recently, with new observations from NASA's Explorer missions Swift and the Nuclear Spectroscopic Telescope Array, or NuSTAR....

Normally, I think pictures of Earth from space are among the most beautiful of all astronomical photos. Our home is gorgeous, especially when seen from afar. But yesterday, NASA tweeted a picture of our world whose uglin...

A new survey of hot, X-ray-emitting gas in the Virgo galaxy cluster shows that the elements needed to make stars, planets and people were evenly distributed across millions of light-years early in cosmic history, more th...

The Cassini spacecraft is about to get an icy shower as it orbits Saturn.

Will conscious computers conquer the cosmos?

Deborah James is the Pentagon's first principal defense space adviser, a role that subsumes her previous responsibility as executive agent for space. As the PDSA, James is tasked with solving one of the Defense Departmen...

The Cassini spacecraft will zoom just 50 kilometers above Enceladus at about 1 P.M. EDT on October 28 --

Scientists widely accept that the extinction of the dinosaurs was triggered when a massive object smashed into Earth and touched off a global ice age that wiped out as many as three-quarters of all species. The question,...

ESA is teaming up with Europe's satellite makers and equipment suppliers to evaluate candidate technologies to prevent the generation of space debris in key orbits by future space missions....

Two astronauts are getting ready for a six-hour, 30-minute spacewalk Wednesday morning. They and the rest of the Expedition 45 crew also worked on international science and laboratory maintenance....