SPACE

Scott Kelly has just completed 300 days of living in space as part of a year-long mission.

Peake is spending six months in space as part of his Principia mission.

Violations in time reversal symmetry show spacetime continuum may not always have moved in one direction.

Astronomers at California Institute of Technology believe huge 'dark planet' exists way beyond Pluto.

From January 20, Mercury, Venus, Mars, Jupiter and Saturn are set to be visibly aligned before sunrise.

The International Space Station has aboard its own espresso machine for that caffeine fix.

A gas cloud has been found that could contain an intermediate black hole, possibly the first ever discovered.

SpaceX founder posted spectacular footage of failed rocket landing to Instragram.

The first flower of the outer world is an orange zinnia, which blossomed aboard the International Space Station.

New mystery surrounds dimming of star KIC 8462852: Could it really be linked to alien megastructures?

Back to drawing board for SpaceX as Falcon 9 damaged while attempting landing on floating base.

A nuclear blast would cause an asteroid to lose mass and change its direction of travel

Peake was conducting repairs with colleague Col Tim Kopra outside the International Space Station.

Fellow astronaut Tim Kopra reports leak in spacesuit helmet prompting early end to walk.

Physicists say in special circumstances one qubit could be retrieved from a black hole.

Ex-army major Peake became first Brit to carry out a spacewalk when he left the ISS on 15 January.

Physicists propose new theory that says there were periods of inflation after the Big Bang.

ASASSN-15lh is two times brighter than supernova record holder comes from object just 10 miles across.

Mercury has gone into retrograde again, and astrologists will tell you that is bad news for all of us.

Rumours are emerging that scientists working on LIGO have discovered gravitational waves

The Curiosity Rover produced the first ever detailed images of sand sculptures.

The Planetary Defence Coordination Office will monitor threats from incoming asteroids.

Hawking publishes paper on information stored on the soft hair of black holes.

Nasa patents an amorphous robot rover filled with fluid that moves over a planet's surface like a worm.

Craft used slabs of a substance called 'aerogel' to capture dust from the comet's tail.

Team from Perth used a light aircraft, quad bikes, a drone and 32 cameras to uncover the 1.7kg find.

Peake and Nasa astronaut to step out of ISS to replace solar unit.

European Space Agency hoping to 'return humans' to the moon by the end of the 2020s.

Just as the film Interstellar predicted, universes were once linked by wormholes, formed from bubble of space-time.