Former astronaut Buzz Aldrin wants Nasa to send humans to an asteroid rather than 'lasso' a meteor as planned.
A solar eclipse on 29 April 2014 will see 'ring of fire' called an annulus around the silhouette of the moon.
Charles Bolden, current Administrator of Nasa, unveiled 'stepping stones' for the 2030 mission to Mars.
US campaigners for space protection B612 Foundation recorded 26 asteroid strikes on Earth between 2000 and 2013.
University of Washington confirms first "self-lensing" binary star system in KOI-3278.
#GlobalSelfie is part of the Earth Right Now campaign to create an image of Earth.
Rocket deployed cargo ship loaded with vital supplies for astronauts living on space station.
This Ladee's not for turning: £166m lunar explorer obliterated on impact
Rocky planet found by Kepler telescope excites astronomers with water potential
Lyrids Meteor Shower to peak on 22 April with bright fireballs shooting across sky.
Nasa's Jet Propulsion Laboratory say electrical energy naturally produced at the sea floor gave rise to life.
Nasa to test first space-to-Earth communication system from International Space Station
Astronomers at Nasa, University of Washington and Utah's Weber State University say tilted worlds could contain life
Best photos of the day: 16 April 2014.
Chinese President Xi Jinping urges military to develop offensive and defensive space weapons.