Speckled guineafowl drift into the garden where Tulio de Oliveira sits as he describes two new members of the growing Omicron family of SARS-CoV-2 coronaviruses. Called BA.4 and BA.5, the subvariants ...

A killer game of hide and seek.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American A running joke among oceanographers who don't ...

The world’s emissions have seesawed in recent years, plunging in 2020 amid pandemic-induced lockdowns only to rebound in 2021 and likely edge even higher in 2022. Experts say 2023 could be the start ...