Waking up hundreds of miles above the Himalayas, astronaut Scott Kelly broke the US record for the most time spent in space with 383 days.

A multi-billion-dollar robot dispatched to Mars to search for life must steer clear of promising "hot spots" for fear of spreading microbes from Earth, Nasa project scientists say.

Facebook reacts to the latest round of hoax posts about privacy settings, saying life on Mars is now more likely than the introduction of charges for a private profile setting.

Scientists think they can now tie dark streaks seen on the surface of Mars to periodic flows of liquid water.

A giant slab of ice as big as California and Texas combined lurks just beneath the surface of Mars between its equator and north pole, space.com reports.

Six smiling people entered a dome on a barren Hawaiian volcano on Friday afternoon, and it remains to be seen whether they'll still be smiling after a year of isolation to simulate life on Mars.

Researchers discover an ice sheet on Mars that looks bigger than Texas and California cities of US.

A trio of scientists says they've identified the best place to look for evidence of ancient life on Mars — one of the youngest lake-bearing basins ever discovered.

NASA astronauts have eaten food grown in space for the first time in history, reports Vox.com.

NASA's Mars rover Curiosity snaps some beautiful photos of a blue-tinged sunset on the Red Planet.

Nasa has reached out to the scientific community to help identify landing sites for a manned mission to Mars even though a trip by astronauts to the Red Planet is expected only by the late 2030s.

Nasa's Mars Reconnaissance Orbiter has found glass in a crater on Mars.

Mars has thousands of glaciers buried beneath its dusty surface, enough frozen water to blanket the planet with a 3.6-foot(1.1- meter) thick layer of ice, scientists say.

US astronaut Scott Kelly and Russian cosmonaut Mikhail Kornienko has docked for the start of a 12-month tour of duty on the International Space Station

NASA's team Curiosity Rover has found nitrogen on the surface of Mars which is a significant discovery that adds to evidence the Red Planet could once have sustained life, the space agency said.