A group of NASA-funded researchers is poised to enter an isolated geodesic dome on a remote Hawaii volcano to study human behavior in long-term space exploration, including a planned voyage to Mars.
Scientists used NASA's Curiosity Mars rover in recent weeks to examine slabs of rock cross-hatched with shallow ridges that likely originated as cracks in drying mud.
Europe's beleaguered Galileo satnav has suffered another setback, with clocks failing onboard a number of satellites in space, the European Space Agency said Wednesday.
Venus is known both as the "planet of love" and the Earth's "evil twin". And although research suggests its environment is more hellish than romantic, there's actually a lot we don't know about our celestial neighbour. Now ...
Microbes that rank among the simplest and most ancient organisms on Earth could survive the extremely thin air of Mars, a new study finds.
SpaceX on Saturday successfully launched and landed its first unmanned Falcon 9 rocket since a costly and complicated launchpad explosion in September.
French astronaut Thomas Pesquet floated into space on his first-ever spacewalk Friday, and helped install three new, refrigerator-sized lithium-ion batteries to upgrade the power system at the International Space Station.
If you ask yourself what the biggest threat to human existence is you'd probably think of nuclear war, global warming or a large-scale pandemic disease. But assuming we can overcome such challenges, are we really safe?
The European Space Agency opened an investigation on Thursday into anomalies that have affected five of the first 18 Galileo satellites in orbit.
The daily U.S. economic cost from solar storm-induced electricity blackouts could be in the tens of billions of dollars, with more than half the loss from indirect costs outside the blackout zone, according to a new study.