Scientists inched toward the "holy grail" of solar power Researchers have developed a perovskite solar cell that lasts 1,530 hours by embedding aluminum [...]

Poor sleep may raise blood pressure risk in teens (Tetra Images/Getty Images) Research presented at an American Heart Association meeting found that teens [...]

Female Guinea baboons favor skilled mates (Wolfgang Kaehler/Getty Images) Researchers have discovered that female Guinea baboons in Senegal and at Germany's Nuremberg Zoo [...]

Prosthetic hand mimics human touch Engineers at Johns Hopkins University developed a prosthetic hand that mimics human touch by blending soft and rigid [...]

Scientists learn more about polar bear cubs' secret lives (Johnny Johnson/Getty Images) Polar bear cubs weigh a little over a pound when they [...]

Narwhals use tusks to catch prey, explore their surroundings (CoreyFord/Getty Images) Narwhals use their tusks for foraging, exploring and playing, in addition to [...]

Whale songs reveal clues about ocean food availability (Vincent Pommeyrol/Getty Images) Researchers have found that the songs of baleen whales, including humpbacks, can [...]

Research uncovers brain's rewarding response to sugar (SimpleImages/Getty Images) Research published in Science shows that sugar consumption triggers a rewarding response in the [...]

Some mice attempt to help others with "first aid" Researchers have discovered that mice exhibit "first aid" behaviors, attempting to revive unconscious companions [...]