BBC

Two coders will share a $55,000 prize for what a Nasa official calls the "ultimate 'geek' dream assignment.

Scientists are counting albatrosses on remote islands from satellite images.

Super-sharp images from a US satellite are keeping track of remote bird-breeding sites.

Pioneering work that extracts information from audio of gunshots could help solve criminal cases.

Amur tigers were nearly driven to extinction, but conservation work in Russia is helping them bouncing back slowly.

Lulu the killer whale had 20 times the expected level of banned chemicals known as PCBs in her system.

Researchers say noise could affect how whales, dolphins and seals find food and communicate.

Using the insecticide thiamethoxam in spring could reduce numbers later in the year, a study finds.

One of the UK's last killer whales, which was found dead last year, had some of the highest levels of a toxic pollutant ever recorded.

The fissure that will lead to the breakaway of one of the largest bergs ever seen has a new branch.

The UK Government has decided not to appeal against the High Court's rejection of a bid to delay publication of its draft plan to tackle illegal levels of air pollution.

Nasa says its Saturn probe encountered very few particles in its dive inside the rings last week.

A fossil kept in storage in a museum for decades turns out to that of a new species, say researchers.

A group in Ontario are using animals like capybaras and kinkajous to reduce stress.

Botanists unlock the genetic workings of the tea plant, in a move that could improve flavour.

Overseas territories' ministers say Brexit is distracting the government from environmental issues.

A SpaceX Falcon 9 has launched a classified military satellite - known only as NROL-76 - into orbit.

Too much food is wasted in England and households should be helped to throw away less, MPs say.

The US president said he hoped the new order would create "thousands and thousands" of jobs.

The DNA of extinct humans can be retrieved from sediment in caves - even in the absences of skeletal remains.