Scientists are now developing spinning space stations with artificial gravity that could take astronauts deeper into the ...

If so, why haven’t they said hello? The humble residents of this pale blue dot have been on a quest to find an alien civilisation for more than a century. First, it was the “canals” of Mars. Then ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...