Lie on the beach this summer and your body will be bombarded by about sextillion photons of light per second.
Launching humans to Mars may not require a full tank of gas: A new MIT study suggests that a Martian mission may lighten its launch load considerably by refueling on the moon.
NASA's newest spacecraft, the Orion, won't be flying astronauts as soon as anticipated.
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 said Thursday.
China has started assembling the world's largest radio telescope, which will have a dish the size of 30 football pitches when completed, state media reported as Beijing steps up its ambitions in outer space.
A Purdue University study shows that targeting plants with red and blue LEDs provides energy-efficient lighting in contained environments, a finding that could advance the development of crop-growth modules for space exploration.
Did dinosaurs roam the Grand Canyon? Well, the answer depends on whom you talk to. And how old they believe the majestic canyon to be.
The past couple of years have been very exciting for space exploration. We've watched as spacecraft made visits to Mars, comet 67P and, just last week, Pluto, which for decades marked the edge of our solar system.
Until recently, it took hours – sometimes days – to analyze biological samples after they were frozen in the field and brought back to the laboratory. But now there is a faster, cheaper and smaller way for researchers ...