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

In its seven-year mission the Parker probe will endure temperatures of up to 1,400C

Landmark discovery provides potential habitat for life, say European scientists

‘Curiosity’ discovers compounds similar to those derived from ancient Earth algae

‘The question of whether we are all alone has haunted us down the corridor of time’

With the advent of the space entrepreneur, the rest of the universe looks closer than ever. But will we get off this planet in time?

Minerals, metals and water on planetoids could support missions into the solar system

Space signal detection project and astrobiology boost hunt for extraterrestrials

Telecoms groups team up to build first lunar 4G network

The professor and broadcaster on the next space race, the problem with UK education and his passion for champagne 

New telescopes set to bring thousands more exoplanets into view

Effort to counter rise of China underlies move to collaborate on space exploration

Oumuamua, meaning messenger in Hawaiian, travelled to solar system from another star

President’s directive changes priorities for Nasa but sets no target date