Spaceflight makes certain human stem cells age faster, a study finds, furthering the understanding of the possible effects of ...

The comet is only the third-known interstellar object to pass through our solar system. It poses no threat to Earth, NASA ...

When individuals from two different species interbreed, hybrid organisms may emerge that display characteristics from both ...

The 300,000-year-old site offers up footprints surrounded by animal tracks, including now-extinct elephants and rhinoceroses.

The investigation into the 150-million-year-old deaths has overturned centuries-old beliefs about the remarkable Solnhofen ...

Long-term relationships built on a foundation of trust between communities, researchers and the natural world can transform ...

A handful of teeth unearthed in Ethiopia has led to the discovery of a new species of human ancestor. The finding, announced ...

There is a science to how to give plants the best chance of survival that goes beyond the type of soil, watering routine, and ...

Deep in Earth's past, an icy landscape became a seascape as the ice melted and the oceans rose off what is now the ...

NASA’s pioneering study of the identical twin astronauts Mark and Scott Kelly tracked signals of aging in both men while Mark remained on Earth and Scott spent 340 days in space ...

Learn why many rodents have short nails on their thumb rather than long claws, a trait that has helped them eat and thrive for millions of years.

The SpaceX space technology company completed the 500th launch and landing of an orbital class booster Friday as it placed over two dozen satellites into orbit.

Solar flares—intense releases of electromagnetic radiation into the sun’s atmosphere—could be more than six times hotter than solar physicists previously believed, say the authors of a new report.

Learn more about the breathtaking rapid wing speed of hummingbirds. An expert reveals how fast hummingbirds fly and flap their wings.

The evidence is from nutritional diseases that leave permanent marks on the skeleton. This group of humanlike primates spent winters sheltered inside dark, but safe caves. Scientists have revealed ...

Portugal has a history of powerful earthquakes, a fact that has long baffled scientists because it's not near any known fault lines. A new study, however, may finally provide the answer: Researchers ...