Reef halo riddle: What's behind the mysterious rings around coral?
24 April 2019
We long assumed that circles of bare sand around coral reefs are caused by fish nibbling away seaweed. But a 10-year investigation has found the truth is far murkier
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Premium
Genetically modified virus may shrink incurable brain cancers
23 April 2019
People with incurable melanomas and brain or breast cancers are to receive injections of genetically modified viruses that may shrink their tumours
SpaceX Crew Dragon capsule lost after 'anomaly' during ground test
23 April 2019
The Crew Dragon capsule is intended to ferry astronauts to the International Space Station, but a possible explosion during a ground test may set launches back
Satellites are checking if boats in remote places are fishing legally
22 April 2019
The Indonesian government is using tiny internet-providing satellites to check if boats in the middle of the ocean are fishing legally
Australia’s dingoes may keep feral cats in check and protect wildlife
22 April 2019
Feral cats have contributed to the extinction of 20 of Australia’s native mammals, but another predator – the dingo – might stop them causing more damage
UK government directs £4.6 million to tackling illegal wildlife trade
21 April 2019
Efforts to disrupt grey parrot trade in Cameroon and reduce demand for turtle products in Nicaragua are among 14 projects to win funding from the UK government
Huge dinosaur may have stood on its toes with fleshy pads for balance
21 April 2019
Rhoetosaurus brownei lived 170 million years ago. Despite the dinosaur weighing 24 tonnes it may have stood on its tiptoes with fleshy pads for balance
Baby boom for the kakapo, New Zealand’s critically endangered parrot
20 April 2019
There are fewer than 150 adult kakapo in New Zealand, but this year’s bumper crop of almost 90 chicks renews hope that the bird can be saved from extinction
If Mars has life, its total mass is 10,000 times smaller than Earth’s
19 April 2019
Any life on Mars is probably several kilometres underground, and the Martian atmosphere suggests it might collectively amount to no more than 200 million tonnes
Zero-gravity robot cleaner could automatically sterilise the ISS
19 April 2019
Cleaning the International Space Station is laborious work, so hygiene firm GermFalcon has made a drone that works in zero-gravity to do the job instead
