BBC

New evidence suggests that the famous fossilised human ancestor dubbed 'Lucy' by scientists may have died falling from a great height - probably from a tree.

More than 300 reindeer have been killed in a lightning storm on a mountain plateau in Norway.

Researchers at Stanford University have designed a unique bird tunnel to observe how tiny birds fly.

Turbines installed off the coast of Shetland could herald a "new era" in tidal energy, according to the company running the project.

A team of scientists has just completed an unusual experiment to find out what it would be like to experience life on Mars.

Singapore has confirmed 41 cases of the Zika virus in people who had not travelled to Zika-affected areas, meaning the virus has spread locally.

Proponents say new, greener jet fuels made from waste wood could significantly reduce airline CO2 emissions but environmentalists say it's a "pipe dream".

A team of six people complete a Nasa-funded Mars simulation in Hawaii, after living in a dome in near isolation for a year.

Europe’s Sentinel radar satellites map Italy's Apennine mountains, revealing the scale of ground movement in Wednesday's big earthquake.

The US space agency’s Juno probe at Jupiter is about to make its first close approach to the planet since going into orbit in July.

US President Barack Obama expands a national monument off Hawaii, creating the world's largest marine reserve.

Researchers track a particular type of tiny vibration for the first time, as it wobbled through the Earth from the Atlantic to Japan.

How 98 aftershocks rocked devastated areas of central Italy in the first 36 hours after the earthquake.

A tiny marsupial lion, extinct for at least 18 million years, is named after Sir David Attenborough after fossilised remains are found in remote Australia.

Scientists have used satellite images to study how the water on the Earth's surface has changed over the last 30 years.

The first almost complete skeleton of a dodo to come up for sale in nearly 100 years is expected to fetch a six-figure sum at auction.

Amateur rocket enthusiasts have gathered in Scotland to mark 30 years of aiming for the skies.

A lawnmower has been blamed for wrongly triggering sensors that predict when the Northern Lights will be visible in the UK.

Microsoft's Excel has been blamed for some errors in academic papers on genomics.

Engineers in the US have built a self-contained, entirely soft robot - in the shape of a 7cm octopus.