After a 30 year journey, NASA's twin Voyager probes are about to leave the solar system and enter interstellar space.
Astronomers have discovered the densest rocky planet yet. Named 55 Cancri e, it's 60 per cent larger in diameter than Earth but eight times as massive - making it twice as dense as Earth, and almost as dense as lead.
The first stars in the universe may have spun at over a million miles per hour, astronomers at the Leibniz-Institut für Astrophysik Potsdam (AIP) and the Instituto Nazionale di Astrofisica (INAF) say.
A shortage of funding has forced SETI's Allen Telescope Array (ATA) - used to search for signs of alien life - to shut down.
China's announced the details of its plans for a space station - and says it should be finished within the next ten years.
A Florida congrssman has introduced a bill calling for a US manned moon mission by 2022.
Bill Posey's bill - H.R. 1641, the Reasserting American Leadership in Space Act - says that a return to the moon would benefit the country through everything from new technologies to improved natinal security.
This week, the Hubble Space Telescope turned 21! Shots? Well, not for this special birthday.
Coronal Mass Ejections (CMEs) are violent solar explosions capable of propelling up to 10 billion tons of the Sun's atmosphere - at a million miles an hour - out through the corona and into space.
The Air Force and the Defense Advanced Research Projects Agency (DARPA) have just created the world’s coolest telescope, strong enough to see all those aliens on other planets.
The European Space Agency (ESA) is currently working with NASA to develop a major Mars exploration project.
Long-distance space travel could harm astronauts' arteries, say University of Alabama at Birmingham researchers.
Astronomers are poring over data from what they say is one of the most puzzling cosmic blasts ever observed.
SpaceX has announced what's to be the world's largest rocket, the Falcon Heavy, set to launch as soon as the end of next year.
Almost fifty years to the day since the first human spaceflight blasted off, the Soyuz TMA-21 mission last night left for the International Space Station.
The world’s biggest radio telescope project has taken a step closer to reality with the establishment of a founding board by nine national governmental and research organisations.
What do more than a thousand planet candidates and their suns look like? Jason Rowe, of NASA's Kepler science team has produced an image that shows each of the 1,235 potential planets so far discovered transiting its star.
The European Space Agency has released a model of the Earth showing how gravity varies across its surface.
If we want to find intelligent aliens, we should be looking for signs of mining in extraterrestrial asteroid belts, argue two astrophysicists.
NASA's released the first picture of the surface of Mercury taken by its Messenger spacecraft early yesterday morning.
Israel and Russia have signed a deal to cooperate and share technology in space research and exploration.