Aug. 3 (UPI) -- Climate change is accelerating the extinction risk for emperor penguins, scientists said Tuesday.

ORLANDO, Fla., Aug. 3 (UPI) -- The International Space Station spun around 1 1/2 times on its main axis during a mishap Thursday when a new Russian segment of the orbiting platform malfunctioned, a NASA spokesman said.

Aug. 3 (UPI) -- Giraffes are as socially complex as elephants, but their communication has been misunderstood, a new study reveals.

ORLANDO, Fla., Aug. 3 (UPI) -- Boeing postponed the launch of its Starliner spacecraft Tuesday due to problems detected with valves in the capsule's propulsion system and reset a potential launch for midday Wednesday.

Aug. 2 (UPI) -- Neanderthals painted art in Ardales cave in Andalusia, Spain, in prehistoric times -- debunking an alternative theory that it happened naturally -- researchers said Monday in a study published in PNAS.

Aug. 2 (UPI) -- After hatching, young sea turtles spend their early years traveling currents in open ocean and feeding near the surface -- where new research shows they inadvertently eat plastic waste.

August is the perfect month to dust off the telescope and point it to the cosmos as one of the biggest planets in the solar system shines brighter than any other time of the year.

July 30 (UPI) -- Invasive all-female weevils pass along epigenetic changes to their offspring, helping them adapt to new environs, according to a new study.

July 30 (UPI) -- Survey data collected at an anti-vaccine conference in Poland suggests most vaccine skeptics and antagonists are motivated by a generalized negative attitude to vaccines, not direct experience.

ORLANDO, Fla., July 30 (UPI) -- A U.S. government watchdog has denied protests of NASA's nearly $3 billion contract award to SpaceX to build a lunar lander for astronaut missions.

July 30 (UPI) -- Electrical engineers at UCLA have used a new light-bending technique to convert the wavelengths of light, a breakthrough that could boost the performance of many optical technologies.

July 29 (UPI) -- Big data analysis techniques have offered archaeologists new insights into the transformation of burial practices across medieval Europe.

July 29 (UPI) -- To prepare for future climate change, researchers set out to investigate the "tipping points" that led to historic periods of society-altering climate change.

ORLANDO, Fla., July 29 (UPI) -- The new Russian Nauka module for the International Space Station unexpectedly fired thrusters Thursday, temporarily knocking the space station out of its normal position, NASA announced.