Stephen Raverty of the Ministry of Agriculture in Canada and Joseph Gaydos of UC Davis speak with The Scientist about their recent study assessing the causes of orca deaths.

The authors of a new analysis conclude that tens of thousands of lives could have been saved with a more coordinated national response to the coronavirus.

Tests point to a toxic algal bloom that might have led to the unprecedented deaths of hundreds of African elephants in Botswana earlier this year, but the evidence isn’t conclusive.

An online conspiracy theory retweeted by President Donald Trump misconstrued data regarding the number of people who have died from the coronavirus.

After combing through data on public death notices in Minas Gerais state, scientists say the coronavirus death toll in the country is worse than reported.

It can take days for each death to be recorded in official statistics. “Nowcasting” estimates the actual occurrence of deaths, and the true peak of the pandemic.

The symptoms suggest SARS-CoV-2 might infect neurons, raising questions about whether there could be effects on the brain that play a role in patients’ deaths, but the data are preliminary.

The decline in total occupied forest may not equate to an overall loss in butterfly numbers, but scientists are still concerned that their populations are suffering.

Experts warn that an explosion of hooded vulture deaths in Guinea-Bissau could push the critically endangered species to the brink of extinction.