The Pentagon's Defense Advanced Research Projects Agency has selected 25 robotics companies to showcase their designs at the annual summer competition, which awards a $3.5 million prize.
A new study suggests that drought conditions in the American West will be more severe than those that doomed the Pueblo culture a millennium ago.
New research suggests that the end of the last ice age could have been induced by carbon dioxide 'burps' from oceans.
Experiments with chicks show that the animals appear to count upward from left to right, just like humans do.
A fragment of the Gospel According to Mark dating from 90 AD was reused as a burial mask for a mummy, say scientists.
Two homeowners in the Hawaiian village of Pahoa became the first to lost parts of their properties to the creeping river of lava flowing from the Big Island's Kilauea volcano.
Dimetrodon, the world's largest predator some 290 million years ago, feasted on sharks, an analysis of fossils suggests.
For decades, researchers had only the arms of Deinocheirus mirificus, a preposterous-looking, duck-billed dinosaur that lived some 70 million years ago. Now, scientists have found two more complete skeletons
Scientists have found evidence of a massive tsunami that devastated Hawaii some five centuries ago, prompting Aloha State officials to greatly expand their tsunami evacuation plans.
A 27-year study of Magellanic penguins found that heavy rain thought to be prompted by climate change is taking its toll on penguin chicks.