A guinea pig clotheshorse, an eye-opening eye, and a glittering galaxy are among the week's best news photos.

Unprecedented footage captures a great white shark off the coast of South Africa breaching the water's surface to snare a seal during nocturnal hunting.

The concave-eared torrent frog from China is the only known animal that can physically control which frequencies it hears using the biological equivalent of earmuffs, researchers say.

The rapidly warming Arctic may be given a brief reprieve by North American wildfires, which lower surface air temperatures for weeks or months at a time.

A U.S. biotech company's auction fetched more than $135,000 each from four owners eager to clone their canines. Yet opponents say the technology is flawed.

Hundreds of fossils of crustacean-like animals found recently in Antarctica suggest that 14 million years ago, the warmer continent was booming with life, a new study says.

A Melbourne, Australia, couple's pet rabbit scratched at their bedroom door and woke them just before a fire raged through their house.

A newfound link between bursts of energy in magnetic field lines and brighter auroras may solve a 30-year mystery about the polar lights, researchers say. With video.

The guillemot, a seabird that depends on ice, is losing its habitat and falling prey to polar bears desperate for food. Part of Wild Chronicles' Climate Connections series.

The hippodrome—where chariots and horses raced in the most prestigious events of the ancient Olympics—has been located in Greece with geomagnetic technology, researchers believe.

The total length of the underground calcite river is still unknown, though a recent expedition surveyed several thousand more feet of the odd formation in New Mexico Cave.