Brazil wildfires killed an estimated 17 million animals

‘Body count’ study gives first estimate of animals killed in wildfires in Brazil’s Pantanal wetland. …

Kentucky tornado killed my dad moments after phone call

Katie Fields lost her dad in the Kentucky tornadoes – just after urging him on a…

Bird songs bump stars off Australian music chart

Debuting in the top 5, the album featuring endangered birds is above Justin Bieber and Abba. …

Heartbreak over 'failed' bid to remove Gough Island's mice

A mouse has been spotted after attempts to eradicate the invasive rodents from a remote island. …

James Webb: A $10bn machine in search of the end of darkness

The biggest space telescope ever built is ready to show us the first stars to light…

Southern right whales: Tracking unexpected Southern Ocean migrations

New Zealand scientists have used satellite tags to follow whales around the Southern Ocean. …

Arctic heat record is like Mediterranean, says UN

The highest temperature recorded in the region last year – 38C (100F) – is officially confirmed. …

Rocket scientists and brain surgeons aren't necessarily more clever – study

Professionals in the field score similarly to the general public in brainpower, a study says. …

US tornadoes: Is climate change to blame?

Are tornadoes becoming more frequent, dangerous or unpredictable – and is the changing climate to blame? …

Nuclear fusion reactor experiment to produce clean energy

An experiment is taking place on an industrial estate just outside Didcot in the south of…