BBC

Striking workers block the roll-out of the booster at the Kourou spaceport in French Guiana.

Too little new woodland is being created in England, say MPs, amid warnings of a "tree planting crisis".

The world continues to experience extreme climate trends after a record breaking 2016, says WMO.

Protein extracted from funnel webs may help minimise the effects of brain damage after a stroke.

Not all cyber-attacks are about theft, some seek to undermine the trust placed in data and documents.

Researchers discover five new sub-atomic particles that could help to explain how atoms are held together.

New technology which could be used by club doctors is being trialled, a BBC investigation finds.

Knowing why some sperm succeed and others fail could help treat male infertility, researchers say.

How a sperm manages to reach the fallopian tubes is clear at last, scientists say.

The SpaceX Dragon capsule returns to Earth after its mission to the International Space Station.

How a remote community in Guyana is using cutting-edge software and equipment against deforestation.

The second man to set foot on the Moon, launches a virtual reality movie detailing his plan to get humans to Mars.

Taronga Zoo's baby pygmy hippopotamus - the first born in seven years - has made its first public appearance.

Researchers in the US are working with dolphins in an effort to work out why closely related whale species in the wild strand themselves on land.

Science correspondent Rebecca Morelle describes her violent encounter with Europe's most active volcano.

A computerised system for injecting medicine without using needles has won an innovation award at the South by SouthWest Interactive technology conference in Austin, Texas.

A bird that watched its own reflection for hours becomes the subject of internet fun.

Fifty years ago, the supertanker the SS Torrey Canyon hit rocks off the coast of Cornwall, spilling more than 100,000 tonnes of crude oil. But it was the clear-up operation that led to the real environmental disaster.

Researchers trace the parental history of Canadian rocks to a time just after Earth's formation.

Chile signs a historic deal with Kristine McDivitt Tompkins to create a "network of national parks”.