BBC

European settlement of the Americas killed so many people, it disturbed Earth's climate.

The deep freeze gripping much of the US has been blamed on a polar vortex. Here's what that means.

A research cruise gets under way as part of the biggest ever US-UK joint venture in Antarctica.

SeaWorld says Kayla, aged 30, "inspired generations of guests and employees to care and learn".

Investors are calling on KFC, McDonalds and others to cut warming gases from their dairy and meat supply chains.

How much do you know about the iconic symbol of science pinned to every classroom wall?

Anna Bergstrom runs a shopping mall in Sweden where everything for sale is recycled. Her goal is to make sustainable shopping fashionable.

Thousands of lakes are set to lose their ice cover within a generation due to rising temperatures.

The UK's Ministry of Defence approaches an Oxford start-up to help design a sovereign satellite radar system.

Researchers have genetically modified chickens to lay eggs which contain drugs that fight cancer.

Pollution from farmers' fields that endangers fish is cut by a university-backed project.

The coming days will see an attempt to locate the wreck of Sir Ernest Shackleton's Endurance ship.

Thousands skip school in Berlin and some other European cities to urge action on global warming.

Deep pits on the surface of the small, icy object Ultima Thule come into much sharper view.

Neanderthals produced weapons that could kill from 20m away, a new study claims.

Kalamsat-V2 weighs just 1.26kg (2.6lb) and was made by students belonging to a space education firm.

Sightings from fishing boats suggest the mysterious angel shark is present in Welsh waters.

The Met Office says that the amount of CO2 in the atmosphere in 2019 will rise at near record pace.

We've had vegan burgers and sausage rolls, could animal-free clothing be our next obsession?

Evidence is increasingly forcing us to re-visit our assumptions about the Neanderthals.