# Alien Life
All time
# aliens
Nasa isn't ruling out 'methane burps' as evidence of life on Mars
However, it could also mean that life once existed. It could also disappointingly be from another source.
# an alien life
These nighttime photos from the International Space Station look like something out of a horror movie
Working on space can, no doubt, be a breathtaking experience on occasion. But it looks like it can get a little creepy out there sometimes too…
# planet earth
Billion-year-old water discovered in Canada could give clues to early life on Earth
Life-giving chemicals have been discovered in isolated water believed to be 1.5 billion years old, raising hopes of scientists finding surviving microscopic organisms from a prehistoric age.
# Mars
Life on Mars? Maybe not. NASA rows back on findings
NASA has downplayed talk of a ‘major discovery’ by its Curiosity rover after remarks by the mission chief raised hopes it may have unearthed evidence life once existed on the planet.
# aliens
White House forced to deny extra-terrestrial 'cover-up'
An official petition on the White House website forces a senior communications official to deny a Roswell-style cover-up.
LIVE
'Dead alien' found in Siberia: Video
Conspiracy theories have been sparked after a local man filmed what is claimed to be the body of a dead extraterrestrial.
