BBC

A two-week-old pygmy hippopotamus steps out under the care of its mum, at an animal park in Santiago.

The European and Japanese space agencies put the finishing touches to their Mercury satellites.

Rising numbers of people want selfies riding elephants, or washing them, or patting their trunks, but according to a study carried out by World Animal Protection across Asia, many are kept in "severely cruel" conditions.

The BBC's Jan Bruck has you covered.

Our clothing and laundry are polluting the marine environment, UK research reveals.

Our clothing and laundry are polluting the marine environment, UK research reveals.

The case was brought over cutting levels of nitrogen dioxide.

How urban gardens are connecting with nature to bring wildlife into the city.

Farmers are using far greater amounts of untreated waste water on crops, posing risks to public health.

Environmental legal group Client Earth says minsters failed to conduct their recent public consultation on clean air properly.

The new research funding body sets out its vision for the future amid the changing world of science.

Researchers unlock the chemistry of Roman concrete which has resisted the elements for thousands of years.

Researchers have described new fossils belonging to an extinct crocodile-like creature that had a set of serrated teeth like those of a T. rex.

The new head of UK research has said that he won't centrally direct scientific research.

The huge diversity of frogs we see today is mainly a consequence of the asteroid strike that killed off the dinosaurs, a study suggests.

The brain's wiring as never seen before.

About 20 per cent of male fish in UK rivers are now showing female characteristics.

After President Trump withdrew from a climate agreement, Prof Hawking warns of the threat from global warming.

Stephen Hawking warns over Donald Trump's climate policy in a BBC interview marking his 75th birthday.

A powerful rocket, the Long March-5 Y2, failed an hour after lift-off from Hainan island.