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US researchers spot three mother and calf pairs of the endangered North American right whale species.

Seychelles' leader delivers a speech in defence of the Indian Ocean from inside a submersible.

How we use our forests has evolved from timber and food production to recreation.

Farmers who witnessed the aftermath of a brutal dog attack on their sheep are calling for changes to the law.

Preliminary data suggests a technical glitch caused the Beresheet spacecraft to shut down its main engine at the wrong time.

Scientists work on the challenging task of tracking pollution from orbit with encouraging results.

Elon Musk's Falcon Heavy launched a satellite into orbit for a Saudi Arabian company.

Kenyan teenager Some, who adopted big cat Diji when she was 17, wants to be a conservationist.

A city with impressive recycling credentials has a unique waste system involving seven coloured bags.

BBC News launches a chat bot to help users learn about climate change in weekly conversations.

An Israeli spacecraft will try to touch down on the lunar surface today.

Plastic toys are convenient and cheap but they can be bad for the environment.

The most sensitive search to date for the gas that might signal life on the Red Planet draws a blank.

There's a new addition to the family tree: an extinct species of human that's been found in the Philippines.

Research has thrown up 600 new cancer vulnerabilities and each could be the target of a drug.

Astronomers have taken the first ever picture of a black hole at the heart of a distant galaxy.

Astronomers have taken the first ever image of a black hole, which is located in a distant galaxy.

A new model illustrates how Anak Krakatau's deadly tsunami spread across the Sunda Strait.

A comprehensive study assesses the flood danger posed by glacial lakes across the Tibetan Plateau.

The climate change group that is urging people to get arrested to gain the attention of government.