A population of chinstrap penguins in Antarctica has seen a 36 percent decline since 1991, in what researchers say is a consequence of declining krill populations.
Relics found in an old Bulgarian church is believed to be those of John the Baptist, the biblical figure said to have baptized Jesus.
The three Chinese crew from Shenzhou-9 docked and entered the spacelab live on television, making China only the third country, after the United States and Russia, to successfully perform such a maneuver.
A US attorney is seeking to return a 70-million-year old dinosaur skeleton to the Mongolian government, who claims it was sneaked out of the country.
Whale hits boat: An experienced sailor was rescued by coast guards after a whale collided with his boat.
NASA discovered a Mercury crater that resembles Mickey Mouse's head.
Expectations are low at the UN conference that seeks to preserve Earth's ecosystems amid a growing population.
An experiment led at the SLAC National Accelerator Laboratory suggests that the Standard Model, which describes how subatomic particles interact, may have some flaws.
Marine researchers off the west coast of Greece spotted an octopus taking the ride of its life.
Paleontologists and Mongolian officials have maintained that the skeleton, which belongs to a type of tyrannosaur called a Tarbosaurus bataar, was taken illegally from their country.
An unmanned space plane built by Boeing, the second of its kind, returns to Earth after 463 days in orbit for a clandestine mission.
Chinese astronauts have successfully docked with a prototype space station, paving the way for a moon mission after 2020.
Launched in 1977, Voyager 1 is now poised to become the first craft to enter interstellar space.
An archaeologist has discovered charcoal drawings that are 28,000 years old, making them the oldest in Australia and among the oldest in the world.
Chinese astronauts successfully docked with a prototype space station, making China only the third nation, after the United States and Russia, to perform such a maneuver.
A trio of Chinese astronauts, including the country's first woman in space, successfully docked with an orbiting test module.
Previous studies produced projections of changing fire risks for individual regions. A new study attempts to gauge future changes to wildfire patterns globally as the climate warms.
Liu Yang, a fighter pilot, is slated to become China's first female astronaut to travel into space on Saturday.
The crew of China's Shenzhou 9 space docking mission to its prototype space station includes Liu Yang, the country's first woman to fly in space.
New tests of paintings in Spanish caves suggests that they were at least 15,000 years older than previously thought, suggesting that they were created by Neanderthals, not Homo sapiens.