Many women and men have realized their dreams of flying in space. They all began by submitting an application to become an astronaut. Here's how.
A research team has discovered an invisible shield in space, some 7,200 miles above Earth, that blocks killer electrons.
Here are 12 different images of black holes that powerfully demonstrate just how energetic and amazing our universe can be.
The perks that come with spending days without gravity are out of this world! Here are a few things astronauts enjoy about living in space.
Quilting blocks aligned to create an out-of-this-world star quilt that pulled together the talents of an astronaut and crafters from all over earth.
Research suggests that ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites.
Behold some amazing views of the sun as you've never seen it before before - with tendrils and flares, storms and explosions.
NASA's Kepler mission has confirmed the first near-Earth-like planet in the 'habitable zone' around a sun-like star.
A statement made by Neil deGrasse Tyson, released after NASA debuted a new image of Earth on the 46th anniversary of the 1969 moon walk.
After a decade-long journey, NASA's New Horizons spacecraft made its closest approach to Pluto on July 14, 2015. Here's one of its amazing photographs.
Assuming NASA doesn't hire you to be an astronaut, is there any way you can one day go to space? There might be!
Star Trek's tricorder beamed sensors at objects to obtain instant results. And now, the same technology could be available on your smartphone.
Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough gas and dust to make billions more stars, and at least ten times as much dark matter as all the stars and gas put together. An...
It sounds like the stuff of sci-fi TV: the creation of a material that doesn't just redirect excess heat, but redirects that heat into space.
If you've ever watched astronauts, you're bound to wonder at some point: Where do they go to the bathroom?
Research shows that more than four billion years ago, the surface of ancient Earth was mixed, buried and melted as a result of giant asteroid impacts.