It's springtime and the deployed primary mirror of NASA's James Webb Space Telescope looks like a spring flower in full bloom.
Decades' worth of man-made junk is cluttering up Earth's orbit, posing a threat to spaceflight and the satellites we rely on for weather reports, air travel and global communications.
A peanut-shaped asteroid 1.3 kilometres (3,280 feet) across streaked past Earth on Wednesday, giving astronomers a rare chance to check out a big space rock up close.
Scientists sounded the alarm Tuesday over the problems posed to space missions from orbital junk—the accumulating debris from mankind's six-decade exploration of the cosmos.
LISA Pathfinder, a mission led by ESA (the European Space Agency) with contributions from NASA, has successfully demonstrated critical technologies needed to build a space-based observatory for detecting ripples in space-time ...
NASA will probably delay the first two missions of its Orion deep-space capsule, being developed to send astronauts beyond earth's orbit and eventually to Mars, the US space agency said.
A University of Kentucky geophysicist is helping an international team of scientists reveal dramatic new information about the Earth's magnetic field.
Scientists have long thought that Ceres may have a very weak, transient atmosphere, but mysteries lingered about its origin and why it's not always present. Now, researchers suggest that this temporary atmosphere appears ...
Chile's Atacama desert may seem to contain little besides red-grey rocks and sand—but scientists are busy searching here for clues to life in a place it much resembles: Mars.
Following a new NASA bill, passed in March by the US Congress and which authorizes $19.5 billion spending for space exploration in 2017, manned missions to Mars are closer to reality than ever before.