The British astronaut will run the entire 42 kilometers while aboard the International Space Station.
NASA has released breathtaking new images of Pluto's surface taken by the New Horizons probe.
The space agency is hoping that the next generation of astronauts will inspire a future mission to Mars.
Blue Origin has beaten SpaceX in the race to build a rocket that can launch and then return to the Earth.
Phobos, one of the two small moons of Mars, could eventually break apart and encircle the planet.
A new space hotline has been set up between the two countries to help prevent future misunderstandings.
Astronaut Kjell Lindgren recorded a video of himself playing the instrument as a tribute to Victor Hurst.
Astronomers have been able to map the weather conditions of an extrasolar planet for the first time.
A newly identified extrasolar planet is so close by that it should be possible to observe its atmosphere.
A new bill has been approved that will make it possible for companies to mine resources from asteroids.
Astronomers have discovered a dwarf planet located three times further away from the sun than Pluto.
A distant galaxy cluster is home to the most powerful explosion to have occurred since the Big Bang.
NASA has revealed what processes turned Mars in to the dry, cold and barren world that we see today.
The space agency is set to reveal its latest findings about the Martian atmosphere tomorrow afternoon.
The International Space Station has made it possible for humans to maintain an ongoing presence in space.
The recently discovered asteroid due to pass by the Earth today actually looks like a skeletal face.
Scientists have observed a glow in space that could have come from another universe colliding with ours.
The gas was unexpectedly discovered around comet 67P and has been hailed as a significant find.
The inside of the International Space Station appears to be a breeding ground for bacterial pathogens.
NASA's Cassini spacecraft is set to embark on its closest and most daring flyby of the moon to date.