NASA

UFO enthusiast posts 130,000 pages of government's UFO records online

Dawn currently speeding at around 725 kph for its scheduled capture into Ceres orbit in March.

All 15 years from 2000 were in top 20 warmest. The odds of that are 1.5 million billion to one.

The measurement from a mountaintop is the first time Earth-bound sites have been used to measure emissions in the air.

Check out photos of alleged UFO near international space station

New Horizons probe awakes to complete its mission to explore the former planet.

Asteroid 2004 BL86 will pass Earth by a range of 745,000 miles on 26 January.

SpaceX mission deemed a success despite failure of launcher to land on floating touchpad

Nasa has released a series of posters advertising vacations in the outer world.

'Close, but no cigar': SpaceX director Elon Musk on failed attempt to land launcher on a floating platform.

Nissan enters five-year partnership with Nasa to share self-driving technology and help develop autonomous Mars rover

Live streaming of the SpaceX Falcon 9 launch attempt on Saturday will be available online.

Launch of Falcon 9 rocket carrying cargo capsule to ISS put off due to snag.

Countdown aborts moments before launch of SpaceX Falcon 9 reusable rocket carrying ISS supplies

The Langley Research Center is exploring inflatable heat shields to safely land spacecraft on Mars.

Falcon 9's rocket will attempt to land on what SpaceX calls an 'autonomous spaceport drone ship'.

A tracksuit designed to look like moonwalker Neil Armstrong's space suit

CIA reveals secret behind UFO sightings

The alleged UFO's photos are part of Nasa's latest solar images.

Bigger payloads and frequent launches to Mars could be possible with the new technique.

The High Altitude Venus Concept mission, known as HAVOC, would use a helium-filled, solar powered airship.