SCIENCE

Video shows prairie dogs doing Mexican wave to signal all clear.

Record freeze eases and temperatures rise as icy weather moves across the Atlantic.

Celestial object ROXs 42Bb spotted 440 light years away.

RSPCA estimates heatwave in southern Queensland responsible for bat deaths.

Nasa telescope spots tiny faint galaxies from 10 billion years ago.

Darwin's theory about why animals on islands are tame proven by study.

3905 Doppler asteroid found to be eclipsing binary asteroid.

In pictures: Indonesia's Mount Sinabung continues to erupt, forcing thousands to flee their homes.

Number of Earth-like planets that could support life vastly underestimated, scientists claim.

Scott Murray attached camera to crab net off the coast of Western Australia.

Harvard astrophysicist reveals KOI-314c weighs same as Earth but too hot to support terrestrial life.

Satellite image shows US east coast gripped in deep freeze.

In pictures: Snow and Arctic conditions slam through North America.

Scientists h'ave found earliest evidence of dental caries in the skeletal remains of hunter gatherers in Morocco.

Belgian researchers identify ancient species as primary ancestor of lions, tigers and bears.

Astronomers say three-star system could give clues to true nature of gravity.

Alma telescope captures dusty remains of recent supernova for first time.

A selection of photographs from around the world, covering a variety of topics.

Supervolcanos can erupt spontaneously without earthquake triggers, say scientists.

Conservation group Rhino Ark said Kenyan rhinos require urgent protection from illegal poaching.

Authorities warn locals to stay away from Sinabung after volcano erupts 77 times.

Russian consumer watchdog controlling all Japanese imports over fears of radioactive contamination.

Large numbers of whales become stranded on New Zealand's beaches each summer as they pass to and from the Antarctic waters.

As Polar Vortex is set to bring record low temperature in much of the US in almost 20 years. Here is a fact sheet about the arctic cyclone.

Airline pilot describes terrifying moment he ducked to avoid unexplained object at 34,000 feet.

Over 20,000 residents evacuated as Mount Sinabung spews lava 4,000m into the air.

Flood warning in place in more than 90 areas.

Organisers amazed by number of applications to form colony on Red Planet.

Many parts of UK face flooding and damage as intense storms continue to batter the nation.