As Congress investigates extraordinary claims that alien spacecraft have invaded American skies, a onetime NASA leader says ...

Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss our On This Day in Space ... Station (ISS). NASA astronaut Don Petit ...

Astronauts aboard the ISS captured this image as the station passed over the Indian Ocean, south of Madagascar, according to NASA. Wednesday ... Today is the 10th day since the wildfire started ...

This claim was, in fact, true. McCandless was, indeed, the first astronaut to perform an untethered spacewalk on Feb. 7, 1984 ...

A reassessment of data from NASA's Voyager 2 has revealed that Uranus' moon Miranda may contain a subsurface ocean, ...

The new podcast 16 Sunsets opens with archive audio from Nasa’s mission control in 1981, in the build-up to the first flight ...

“She has lost a lot of weight,” said a NASA ... day. Speculation of Williams’ health has become fodder for gossip around NASA, said the source. “I gasped out loud when I saw the last ...

Get past the fake science, and the Taurid meteor shower foreshadows what could, one day, pose a troubling scenario.

NASA doctors ... the following day. Speculation of Williams’ health has become fodder for gossip around NASA, said the source. “I gasped out loud when I saw the last picture,” the NASA ...

NASA's James Webb Space Telescope is the largest and most powerful telescope ever launched to space. Its mirror is composed of 18 individual segments that have been aligned so accurately, that they ...

Launched by NASA in 1977, Voyager 2 flew past Uranus on January 24, 1986, capturing groundbreaking images and data that ... of the planet on a normal day. After reanalyzing the data from the ...

The president-elect will have a unique opportunity to showcase America to the world as the U.S. hosts major international ...