A new tagging study has revealed that large squid may be much more plentiful than previously thought—and that sperm whales may hunt the creatures at their most vulnerable.
Satellite images from the free 3-D globe were found in Iraqi insurgents' homes, leading to controversial requests for the tool to censor sensitive locations.
Curious deposits on Mars that originally appeared to be signs of an ancient ocean
were instead produced by water emerging from underground, a new study finds.
The first direct evidence of the so-called YORP effect shows that heat from the sun can speed up or slow down an asteroid's spin, according to a trio of new studies.
While global warming is nothing to laugh at, an Australian company is providing some comic relief, selling carbon credits for flatulent pets and people.
Evolution has gotten faster, and scientists think they know why: Microbes are swapping DNA from one species to another, giving the Darwinian process an added boost.
Twin NASA spacecraft have beamed back spectacular views of the sun, helping scientists track violent solar storms that can fry satellites and overload power lines on Earth.
Thirteen 2,300-year-old towers precisely spaced along a ridge near a ceremonial site make up the oldest known solar observatory in the New World, experts say.
Ice caps are melting on both Earth and Mars. According to one researcher's controversial theory, this suggests that global warming has nothing to do with humankind.
