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Next Steps For Vets
Rick Mastracchio / NASA
Spacewalk Selfie! NASA Astronaut Shares Self-Portrait
NASA's Rick Mastracchio snaps a self-portrait during a spacewalk at the International Space Station, and then shares the world's highest selfie.
Holy Hemihelix! Scientists Discover a Bizarre Twist
Researchers learn how to create a natural helix that looks like a tangled telephone cord — and that could lead to new kinds of nanocircuitry.
Gabriel Martins / Nikon Small World
Virtual Baby Quail Tops Nikon Contest's Video Menu
You can dissect a tiny quail in its egg, slice by virtual slice, in the video that took top honors in the Nikon Small World in Motion competition.
Mountain of Peril: Everest May Be Even Riskier Now
"It's Mother Nature who calls the shots," says one expedition leader about scaling the world's highest peak.
University of Arizona
Not Just for Sex: Why the Y Chromosome Hasn't Vanished
The Y chromosome has lost all but 3 percent of its genes over the years. So why do humans need it?
Big-Time Dig: 20 New Dinosaur Species Found in Utah
Scientists and students working at a Utah fossil field are hard at work discovering and revealing new dinosaur species. KSL's John Hollenhorst reports.
Holli Riebeek / NASA Earth Observatory via Reuters
Gigantic 'Sheet Cake' Iceberg Breaks Off Antarctica
Scientists are monitoring an iceberg roughly six times the size of Manhattan that broke off from an Antarctic glacier and is heading into the open ocean.
NASA via AP file
Spacewalkers Make Quick Work of Computer Repair
Two spacewalkers quickly replaced a bad backup computer box and took on some extra tasks at the International Space Station on Wednesday.
Early-Warning Telescope Could Detect Dangerous Asteroids
In just 13 years, asteroids have caused more than two dozen massive explosions in the atmosphere.
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