Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

A jaguar was captured on camera trap on an artificial island near the Serra da Mesa Hydroelectric Power Dam. The only way it ...

How often do black holes explode? New research refines old calculations, hinting that black hole explosions may be a ...

Why do some elements decay in minutes, while others last billions of years? Certain "magic numbers" of nuclear particles may ...

A study of human placentas suggests that urban air pollution may push the organ's resident immune cells into an inflammatory state.

The mystery of how related flightless birds ended up so far apart on different continents may have been solved.

The juvenile pachycephalosaurs, which predates the previous oldest dome-headed dinosaur by 15 million years, reveals more ...

Traditional chemical sunscreens can damage coral reefs. Scientists say there's a fix using one derived from tea plant pollen.

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous ...