BBC

Researchers at Heriot-Watt University took more than 100 sediment samples from 13 Orkney beaches.

Habitat fragmentation is a bigger threat to Chile's wildcat than human persecution, say conservationists.

Even with no natural climate boost, last year was the second or third hottest on record.

A mass die-off of antelopes in Kazakhstan was triggered by environmental factors, scientists believe.

Scientists capture "incredible" images of instructions contained in DNA being read

Finnish start-up ICEYE releases a "first light" picture from its novel radar satellite.

A monkey from Ethiopia with a distinctive "handlebar moustache" has been identified as a distinct species.

Effective Space says it will launch "space drones" to prolong the life of telecommunications satellites in orbit.

Three-fifths of new cars must be electric by 2030 to meet climate change targets, ministers are told.

A partnership between Imperial College London and a major French agency will keep access to European research funding.

Wild dolphins burn up to 33,000 calories a day, say researchers - equivalent to about 60 salmon portions.

Volcanologists say a "hazardous explosion" could be imminent, as thousands flee the area around Mount Mayon in the Philippines.

The Hubble telescope has scored an unprecedented close-up view of one of the Universe's oldest galaxies.

Donkeys, horses and camels are beaten and forced to carry tourists in extreme heat, a group says.

The unusual sight of a wallaby bounding across the Sydney Harbour Bridge has surprised early-morning motorists.

Insects are often portrayed as a sustainable superfood - and many are delicious.

Human body lice, rather than rat fleas, spread plague during the Black Death, a study simulating the outbreak suggests.

Fuel from the Sanchi has spread over more than 100 sq km and could badly damage marine life.

Watch surgeons as they remove a 19.5kg tumour from a woman's body.

Scientists solve Darwin's "abominable mystery": How flowers rapidly evolved and spread across the globe.