NASA has launched a "Journey to Mars" challenge to get input and is offering $5,000 or more to up to three winners.
Study finds radiation effects from cosmic rays could result in cognitive impairment in astronauts.
Scott Kelly's time on the ISS will prepare us for our deepest space explorations yet.
If confirmed, the study would bolster the theory that Mars at one time possibly sustained life.
A signal from NASA's Dawn confirming the first-ever successful entry into orbit of a dwarf planet came back at 8:36 a.m. on Friday.
NASA "did not expect to be this puzzled" by the appearance of two reflective lights on the protoplanet.
Mars One continues to narrow down its list of prospective amateur astronauts.
The PayPal, Tesla and SpaceX boss is nothing if not ambitious.
Scientists speculate that the Beagle 2 spacecraft broke upon landing on Mars on Christmas Day 2003.
Mars One wants to send volunteers on a one-way trip to the red planet, and make a TV show out of it
NASA's test flight launched early Friday morning and successfully splashed back down in the Pacific hours later.
The top cocoa-growing countries in West Africa have not been hit by Ebola yet, but they are already worried.
After the success of its Mars mission, the country plans to offer cut-price services to western space agencies
The Mars Orbiter Mission became the first (and most economical) spacecraft in history to enter the red planet's orbit
The mission has found evidence of water and concluded that the Red Planet could have supported life