Comets are among the most beautiful and least understood nomads of the night sky.
Miami Speedway in Homestead, Fla., was the place to be late last month for an unusual two-day competition: the DARPA Robotics Challenge Trials.
Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far.
Like lifting a giant veil, the near-infrared vision of NASA's Hubble Space Telescope uncovers a dazzling new view deep inside the Tarantula Nebula.
After nearly a decade of development, construction and testing, the world’s most advanced instrument for directly imaging and analyzing planets around other stars is pointing skyward
Three-dimensional printers are transforming the business, medical, and consumer landscape by creating a vast variety of objects...
The sun emitted a mid-level solar flare, peaking at 5:13 a.m. EST on Jan. 7, 2014.
More than three-quarters of the planet candidates discovered by NASA's Kepler spacecraft have sizes ranging from that of Earth to that of Neptune
This holiday season, feast your eyes on images of Saturn and two of its most fascinating moons, Titan and Enceladus
In an unexpected juxtaposition of cosmic objects that are actually quite far from each other, a newly released image from NASA's Wide-Field Infrared Survey Explorer (WISE) shows a dying star
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.
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