Nasa study of astronaut and twin brother shows health hazards of year in orbit

Network of radio telescopes creates view of an object 53m light years from Earth

Research could provide insights into origins of planets and evolution of life on Earth

The dishes at Goonhilly Downs date from a golden age of satellites. Can the region join the new space race?

Touchdown close to Martian equator after lander survives ‘seven minutes of terror’

US space agency considers privately built back-up systems to send astronauts to ISS

Two astronauts onboard unhurt after emergency landing in Kazakhstan

Space telescopes find giant body orbiting planet 8,000 light-years from Earth

Astronomer Royal Martin Rees on the big questions of space exploration in the age of artificial intelligence

Companies inside and outside the industry are taking an active interest in start-ups

Manned flight goal rekindles spending debate in country where millions live in poverty