'Fire volcano' the Volcan de Colima spews out a large column of gas and ash around 2,500m into the sky.
Scientists show toxin produced by blue-green algae results in Alzheimer's-like symptoms in monkeys.
Bush dogs have been photographed across the Central American nation, as conservation can now kick on.
The data, which covers 367 cities, showed average PM2.5 levels dropping by 10% in 2015 compared to 2014.
Seaside palace of first emperor of Qin dynasty discovered off Suizhong coast.
Monkey was kept alive for 20 hours after head transplant as questions are raised over surgery.
The Information Technology and Innovation Foundation criticises Musk and Hawking for alarmist AI fears
Virunga is Africa's oldest national park and home to some of the last remaining gorillas.
Increased plastic production and use coupled with low recycling is fast flooding the oceans.
There is an almost endless variation of eyes in the animal kingdom. We take look at some of them.
British Library multispectral imaging reveals 'fugitive image' in one of da Vinci's notebooks.
Mystery origins of Roman-age decapitated bodies revealed through whole genome analysis.
From January 20, Mercury, Venus, Mars, Jupiter and Saturn are set to be visibly aligned before sunrise.
The International Space Station has aboard its own espresso machine for that caffeine fix.
Professor Hawking said that scientific and technological advances were humanity's biggest threats
Denmark is on track to hit its 2020 target of 50% electricity produced by wind turbines.
Yeast responsible for fermentation in wine, beer and bread is found to breed within the guts of wasps.
Volatile volcanoes in the Snowball Earth theory could be the cause of cap carbonates, solving the mystery.
Earthworms on the Isle of Rum have been found weighing more than 12g - the heaviest-ever recorded in the UK.
South Africa is in the grips of a severe drought that shows no sign of abating after the driest year on record.
US researchers find way to see where energy travels when high-intensity laser hits fuel target.
Hagfish can secrete slime as a defensive mechanism, which can be used to manufacture new hydrogels for humans.
Scan Pyramids scientists begin analysing muons collected inside Egypt's Bent Pyramid.
The seven-metre long shark is the same size as the one depicted in the movie franchise, Jaws,
A gas cloud has been found that could contain an intermediate black hole, possibly the first ever discovered.
SpaceX founder posted spectacular footage of failed rocket landing to Instragram.
The first flower of the outer world is an orange zinnia, which blossomed aboard the International Space Station.
New mystery surrounds dimming of star KIC 8462852: Could it really be linked to alien megastructures?
The giraffes were part of the reason the national park they live in was awarded UNESCO protected status.
Back to drawing board for SpaceX as Falcon 9 damaged while attempting landing on floating base.