Despite intensive public health efforts to grind the COVID-19 pandemic to a halt, the recent emergence of the highly transmissible, extensively drug-resistant and profoundly immune system-evading ...

Nearly 200 nations shaped their climate plans around this number: 1.5 degrees Celsius. But that target, set seven years ago when there was less carbon in the sky, will almost certainly be overshot.

On September 11, 2023, the updated Moderna and Pfizer–BioNTech mRNA vaccines (i.e., 2023–2024 formulas) against coronavirus disease 2019 (Covid-19) containing the severe acute respiratory syndrome ...

Imagine you started a fire in your neighborhood, down the street from your house. You didn't mean to—you’re no arsonist—but there it is, blazing before your eyes. Your neighbor’s house is about to go ...

The US economist William Nordhaus claimed as early as the 1970s, when scientific understanding of climate change was still taking shape, that warming of more than 2°C would “push global conditions ...