SCIENCE

The extinction of ancient Australia's megafauna has been heatedly debated among scientists for years.

Ocean temperatures are similar to those in the last interglacial period, when sea levels were much higher.

Russia also expects a breakthrough in laser and electromagnetic weapons, Deputy Defence Minister Yuri Borisov said.

Features of gold jewellery found in the grave suggest a child found next to the woman was her daughter.

Rock art and pottery reflect the rise and fall of cattle grazing in the Gilf Kebir region.

The burial found in Western Scotland is one of the few ever discovered and documented outside Scandinavia.

CCTV footage captures the elephant calf being helped to stand by his mother and another family member.

The valleys allow more circulation of warmer water underneath the ice sheet, which could accelerate melting.

Josephine was nearly 50-years-old and suffered from a variety of health issues, zookeepers say they had no choice.

Limestone rock was found in same cave where eagle talon jewellery was discovered.

In seven billion years Earth will be destroyed by the Sun - but plenty of things could cause extinctions before that.

Since the 19th century, human activity has profoundly changed marine ecosystems and the role of megafauna in South America.

There are less than 60 vaquita porpoises left in the wild and it may be difficult to catch any to protect them.

Incoming US President Donald Trump had threatened to pull out of the deal, calling climate concerns a "hoax".

Baldenegro was known for his fight against illegal logging in the country's Sierra Madre mountain region.

Mount Tambora eruption of 1815 was the largest volcanic eruption in historical records.

Comparing the brains of Tasmanian tigers and Tasmanian devils, scientists find evidence of behavioural differences.

We are likely to lose the majority of primate species to extinction in the coming decades.

Evolution of the wet climate would have driven human population movements in and out of the Sahara.

BAE Systems is using energy in the atmosphere to create on-demand deflector shields and spy lenses.

Warring termites and resource competition combine to create weird circular arid grass formations in Namibia.

A strong El Niño effect contributed to last year's record-breaking temperatures.

Swathes of Europe have been covered in a white blanket of thick snow for much of this year.

The scientist who made the discovery wants to raise the profile of the moth's depreciating habitat.

A fortified gatehouse shows signs of military activity and complex social structure in an Iron Age camp.

Both stellarator and tokamak have same underlying principals, but it is too early to tell which offers best hope.

Award-winning filmmakers team up with archaeologists to find clues about the legendary civilisation.

Wasp populations are booming as springs become warmer and drier, a new study finds.

Colo was the first gorilla to be born at the Columbus zoo in Ohio.