BBC

Cassini's about to crash into Saturn, but here's what it's achieved over the last two decades.

Scientists explain how they discovered a water ocean beneath the ice shell of Saturn's moon Enceladus.

The conservation status of the elusive snow leopard is downgraded from "endangered" to "vulnerable".

It took seven years for the US-European mission to get to the ringed planet, launching in 1997.

David Malin has spent four decades photographing space. Now retired, he has held a competition to inspire other astrophotographers.

The Saturn probe takes some final images ahead of its mission-ending dive into the ringed planet.

Science is laying bare the secrets of orchids, one of the biggest families of flowering plant.

Queen's University scientists design a flexible long-life battery that could be used in pacemakers.

Berries are appearing early this year - and promise to last much longer than usual, according to experts.

Emergency crews have begun an oil spill clean-up after an oil tanker sank close to the island of Salamis.

The RNLI closed Perranporth beach due to the large number of jellyfish-like creatures.

A photographer wins a legal fight against an animal rights group over a "monkey selfie" photograph.

Researchers and LGBT groups clash over facial recognition tech that supposedly spots gay people.

A vaccination programme to stop the spread of bovine tuberculosis is also restarting.

The Cassini spacecraft is about to send itself towards destruction in the ringed planet's atmosphere.

A door-opening method that involves using the "wrong" hand should be taught to drivers, groups say.

Figures from the government are seen as a milestone in the advance of renewable energy.

Why, in the mission to improve the health of man's best friend, scientists say greedy Labradors are at the head of the pack.

Scientists ask whether everyone should have the right to become a "transhumanist" by modifying our bodies with technology.

Animals and plants may be living in warm caves under Antarctica's ice, according to a study.