On April 27, a blast of light from a dying star in a distant galaxy became the focus of astronomers around the world.
A comet's journey through the solar system is perilous and violent.
What might look like a colossal jet shooting away from a galaxy turns out to be an illusion.
NASA finds the common fruit fly—Drosophila melanogaster—quite an attractive “model,” but not in the way you might think.
A rare, recently discovered microbe that survives on very little to eat has been found in two places on Earth: spacecraft clean rooms in Florida and South America.
Scientists from around the world are gathered this week at NASA's Ames Research Center in Moffett Field, Calif., for the second Kepler Science Conference
A witch appears to be screaming out into space in this new image from NASA's Wide-Field Infrared Survey Explorer, or WISE.
The sun has emitted many coronal mass ejections in the week leading up to Oct. 31, 2013, which merged together over time to pass Mars.
Scott Carpenter was one of the icons of NASA's early efforts to explore the new frontier of space.
Newly discovered asteroid 2013 TV135 made a close approach to Earth on Sept. 16, when it came within about 4.2 million miles (6.7 million kilometers).
As NASA's Dawn spacecraft travels to its next destination, this mosaic synthesizes some of the best views the spacecraft had of the giant asteroid Vesta.
There is a surprising amount of water bound up in the soil of Mars, according to an analysis done onboard the US space agency's (Nasa) Curiosity rover.
NASA's Curiosity rover is revealing a great deal about Mars, from long-ago processes in its interior to the current interaction between the Martian surface
An international team of scientists using a fleet of orbiting X-ray telescopes has discovered a millisecond pulsar with a dual identity.
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