Latest articles by Ker Than
Scientists discover a new type of "invisible" supermassive black hole.
A new study suggests planets could have up to four suns.
Supermassive black holes grow more rapidly in young galaxy clusters.
The rovers have lasted longer, and done more, than anyone expected.
The rovers' batteries are fully charged and light levels have increased.
The clusters in Abell 576 are estimated to be crashing into one another at over 7 million miles per hour.
Most gas giants reside close to their stars, a new study suggests.
New data reveal the extent of the dust storms that have been raging on Mars.
Scientists find the best evidence yet that exoplanets are also rich in water.
Preparations are on track for an Aug. 3 launch of NASA's Phoenix lander.
Disc instabilities cause gas to flow inward toward stars, dragging planets along with them.
Scientists downplay concerns that dust storms will affect NASA's next Mars mission.
If we encountered alien life, would we recognize it?
Studies shed new light on one of our solar system's strangest objects.
Dawn will explore two mini-worlds for clues to our solar system’s origins.
What do astronauts do when bad weather gives them an extra day in space?
Future Moon telescope lenses could be made of silver-coated liquids.
A 'Goldilocks' planet hailed as the first world outside our solar system capable of supporting life might actually be too hot.
Streams of hot gas swirling around Saturn have been traced to two icy moons previously thought to be geologically dead worlds.
The dwarf planet that forced astronomers to strip Pluto of its planethood is not only bigger than the former ninth planet, but also much more massive, a new study finds.
NASA engineers are discussing a possible spacewalk repair for a damaged area of the space shuttle Atlantis' heat shield.
After a two-day orbital chase, NASA's shuttle Atlantis has arrived at the International Space Station.
