[WASHINGTON] On Dec 11, 2017, US President Donald Trump signed a directive ordering Nasa to prepare to return astronauts to the moon "followed by human missions to Mars and other destinations"....

[WASHINGTON] The US space agency's unmanned Mars Insight lander, which touched down on the Red Planet last month, has successfully deployed its key, quake-sensing instrument on the alien...

[PASADENA] Cheers and applause erupted at Nasa's Jet Propulsion Laboratory on Monday as a waist-high unmanned lander, called InSight, touched down on Mars, capping a nearly seven-year journey...

[WASHINGTON] Deadly radiation from the cosmos, potential vision loss, and atrophying bones are just some of the challenges scientists must overcome before any future astronaut can set foot on Mars...