Mars simulation aims to study astronauts' performance

Yesterday, six Russian and European astronauts walked out of an isolation chamber after 105 days carrying out a simulated Mars mission.

Herschel delivers spectacular first pictures

Herschel has started making test observations with all its instruments, and the first pictures are in.

NASA preps space shuttle Endeavour for Saturday launch

NASA has confirmed that launch countdown operations for the space shuttle Endeavour remain on schedule. The shuttle is expected to lift off from Florida's Kennedy Space Center on Saturday at 7:39 p.m. EDT.

Supernovae are most distant ever detected

Cosmologists have discovered two supernovae further away than any previously detected, by using a new technique that could help find other dying stars at the edge of the universe.

Space program should focus on Earth, NRC tells Obama

The US civil space program should focus more on looking after the Earth, the National Research Council (NRC) has warned.

Conditions on Mars were once right for life

Mars is a lot like Earth, from its landscape and soil right down to its snowy weather, data from the Phoenix lander reveals. 

Ariane takes giant comms satellite into space

US company Terrestar used an Ariane rocket to blast the world's biggest commercial satellite into space.

New type of black hole discovered

A new class of black hole, more than 500 times the mass of the Sun, has been discovered.

Weather satellite lifts off a day late

The US's latest weather satellite was successfully launched on Saturday from Space Launch Complex 37 at the Cape Canaveral Air Force Station in Florida.

Erupting volcano snapped from space

The crew of the International Space Station have taken photographs of an erupting volcano.

Does Saturn's moon have a salty ocean?

There's a salty ocean on Saturn's moon Enceladus that could possibly harbor life - or there isn't. It depends which of two reports you prefer.

The little green men are innocent

In a blow to conspiracy theorists everywhere, new evidence has shown that the 1908 Tunguska explosion was caused not by an alien spaceship but by a comet.

Last pictures released as moon probe crash-lands

The Japan Aerospace Exploration Agency (Jaxa) has released the final images taken by its lunar explorer Kaguya as it fell to destruction on the moon.

Herschel snaps sneak preview

Impatient astronomers at the European Space Agency (ESA) have taken some sneak pics with the Herschel telescope, snapping a first set of images weeks before engineers have even finished commissioning the device.

Ocam is readied to photograph exoplanets

The world's fastest and most sensitive astronomical camera is taking its first pictures.

Spacecraft heads for Moon impact

NASA has successfully launched the Lunar Crater Observation and Sensing Satellite, or LCROSS, on a mission to search for water ice in a permanently shadowed crater at the moon's south pole.

Lake discovered on Mars

For the first time, conclusive evidence has been found of shorelines on Mars.

Hydrogen leak scuppers shuttle launch

NASA has postponed the launch of space shuttle Endeavour's STS-127 mission because of another hydrogen leak

NASA reschedules Endeavour launch for June 17

NASA officials have rescheduled the launch of space shuttle Endeavour's STS-127 mission for 5:40 a.m. EDT on Wednesday, June 17. The national space agency postponed Endeavour's original June 13 liftoff date due to concerns over a leak associated with the gaseous hydrogen venting system outside the shuttle's external fuel tank.

NASA delays space shuttle launch over gaseous hydrogen leak

NASA said that it has decided to postpone the launch of the launch of Endeavour and mission STS-127 because of “a leak associated with the gaseous hydrogen venting system”. A similar problem was found in March before the launch of Discovery, which caused a mission delay of more than a month.