NASA

Flying saucer built by Nasa completed a trip around the Earth on Saturday, despite parachute problems.

Spaceman Reid Wiseman uses social media to show images of the Earth and space to followers.

The emission was detected by Nasa's Chandra X-Ray Observatory and XMM Newton satellite controlled by the European Space Agency.

ATLAST is expected to be hundreds of times more powerful than the Hubble Space Telescope

Vital data such as temperatures, conditions and exposure to varying radiation levels would be closely monitored by Nasa during Orion's December test flight.

Nasa Z-2 'Technology' prototype allows more flexibility when compared to traditional Extravehicular Mobility Unit spacesuits.

The satellite will measure earth's carbon dioxide level by analyzing the carbon cycle within the earth.

Nasa's 'faster than light' warp drive spacecraft has been tentatively code named the IXS Enterprise.

Nasa's Solar Dynamics Observatory captures two huge solar flares bursting from the sun.

The Nasa flying saucer is aimed at inspiring future human expeditions to Mars.

Nasa transmitted the message using its Opals technology.

Nasa's solar observation satellite has observed a coronal mass ejection, or CME, surging off side of sun.

The SpaceX Dragon V2 spacecraft is capable of delivering up to seven astronauts to the International Space Station

Nasa's Ellen Stofan wants to sail boat on surface of Titan, but project will take until 2040.

Nasa astronomers observing galaxy from Spitzer Space Telescope observe shadows in cosmic cloud of gas and dust

Three volunteers have spent 105 days living in a 500 cubic-metre module cultivating plants to feed themselves.

Jupiter's Giant Red Spot has shrunk to smallest size ever measured, Nasa confirms.

Keen UFO watcher Scott Waring has spotted a UFO orbiting Mars in Curiosity Rover photographs.

Nasa astronauts start training for mission similar to storyline of Hollywood blockbuster

Space agency to send seedlings to moon in 2015 as first stage of plans for Martian greenhouse

A Nasa scientist believes that the answer to saving planet earth is not environmentalism but orbiting solar power stations and mining asteroids.

Meteor shower peaking on 23 and 24 May has potential to produce 1,000 meteors per hour

Nasa has supplied a portable plant growth unit to ISS to grow lettuce for astronauts on board.

See the world spin in HD by tuning into the High Definition Earth Viewing (HDEV) experiment aboard ISS.

Scientists have discovered a young galaxy that exhibits features like more developed galaxies.

Landscape in Idaho has strong resemblance to amphitheatre canyons of Mars.

Spitzer and Wise telescopes locate coldest brown dwarf star-like body nearest our solar system

18th-century astronomer Charles Messier thought that it was a nebula, but Messier 5 is actually an ancient star cluster

Space agency joins start-up firm to launch educational toy for children

It promises to cure diseases, explore space and vastly improve artificial intelligence - but just what is quantum computing?