Cosmic rays may damage the brains of astronauts

May 3, 2015

Cosmic rays may damage the brains of astronauts

Researchers said on Friday that long-term exposure to galactic cosmic rays, which permeate space, may cause dementia-like cognitive impairments in astronauts during any future round-trip Mars journey, expected to take at least 2½ years. In a NASA-funded study, mice exposed to highly energetic charged ...

Nov 28, 2014

Earthlings to beam 90,000 hellos to Mars

Radio telescopes on Earth will beam 90,000 messages to Mars on Friday to commemorate the launch 50 years ago of the first robotic probe to visit the planet. A U.S. space funding company called Uwingu organized the extraterrestrial shout-out to mark the 50th anniversary ...

All robotic eyes on comet for Mars flyby

Oct 20, 2014

All robotic eyes on comet for Mars flyby

All eyes on Mars — robotic or otherwise — were focused toward a comet the size of a small mountain set to whiz past the Red Planet on Sunday. NASA’s fleet of Mars-orbiting satellites and robots on the planet’s surface were primed for the ...

Oct 15, 2014

Humans may only survive 68 days on Mars: study

Space enthusiasts planning a move to Mars may have to wait. Conditions on the red planet are such that humans would likely begin dying within 68 days, a new study says. Oxygen levels would start to fall after about two months, and scientists said ...