Dark matter 'hairs' may grow out of Earth
November 30, 2015, 10:57 a.m. by Mike Wall, SPACE.com
The 'roots' could extend as deep as 600,000 miles from the planet's surface.
'Racing Extinction' sounds the alarm on Earth's disappearing species
November 30, 2015, 8:55 a.m. by Gerri Miller
Filmmakers behind 'The Cove' turn spotlight on habitat loss and the role of humans.
10 national animals that are rare, unusual, endangered or completely nonexistent
November 30, 2015, 7:32 a.m. by Matt Hickman
Why shouldn't a unicorn hold such a lofty national position?
An intimate look at Yellowstone's most famous grizzly mama
November 30, 2015, 6:32 a.m. by Jaymi Heimbuch
Explore the life of bear 399 and her cubs through the images of Tom Mangelsen.
What is this weird purple slime that is clotting Norway's fjords?
November 26, 2015, 4:22 a.m. by Bryan Nelson
Mystery still surrounds exactly what the purple goo is, and scientists say it's a phenomenon they've never seen before.
How Mars could become a ringed planet
November 24, 2015, 10:38 a.m. by Nola Taylor Redd, SPACE.com
Mars getting rings wouldn't pose many problems for traveling to the Red Planet.