NASA

For Hubble's 25th anniversary, Open University made these beautiful postcards that take us directly to space.

Later this week, NASA's MESSENGER probe will end its four-year journey and crash into Mercury's surface.

NASA releases a beautiful Hubble image in honor of its 25th anniversary.

NASA is commencing a new interdisciplinary program specifically intended to find life on other worlds.

After nine years of traveling, NASA's New Horizons probe has reached Pluto and sent back the first color image of the dwarf planet.

As the first color images of Ceres emerge, the mystery around the dwarf planet's bright spots continues.

That hilarious Craigslist ad from a "recovering alcoholic billionaire" was actually a NASA scientist, here to warn us that criminals...

Scientists just found the first evidence that liquid water can be found on Mars during the spring and winter months.

SpaceX will launch a Falcon 9 rocket at 4:33 pm ET in order to send a Dragon capsule with supplies for the International Space Station...

NASA uploads over an hour of GoPro footage from an astronaut's spacewalk so you can experience going to space for yourself.

Beautiful time lapse of our Sun shows spicules, filaments, plasma eruptions, eclipses, coronal rain, and more.

NASA scientists are feeling more confident than ever that humanity will discover alien life within a generation.

A NASA-funded program aims to build spaceships in space using spider-like robots, which could eventually build us a new space-bound...

A new report from the Planetary Society states that NASA could achieve a manned mission to Mars within the next two decades, with some...

NASA's Hubble has just captured spectacular images of the "ghosts," of dead quasars, which may provide us with more insight into the...

NASA has released 3-D and 2-D interactive maps of the asteroid Vesta, as well as 3-D printer compatible files that allow you to create...

At 2:30 pm ET, NASA's "flying saucer" spaceship will test launch. Watch the live stream here!

A total lunar eclipse will be visible right before sunrise the morning of April 4, 2015, and it will be the shortest lunar eclipse of...

Scientists find fixed nitrogen in Martian sediments, which means that nitrogen may be biochemically accessible.

In the last eleven years, NASA's Opportunity has traveled over 26 miles, making it the first rover to complete a marathon on Mars.