Nature

Twitter is expanding Birdwatch, its crowdsourced fact-checking pilot program. Launched in early 2021, Birdwatch is comprised of volunteers who flag and add notes to tweets they believe are misleading or...

Russia’s invasion of Ukraine is taking place in the shadow of the two largest nuclear arsenals in the world. These arsenals, built during the Cold War, persist as a very...

Now that every US state minus Hawaii has set an end date for its indoor mask mandates, federal agencies are rejiggering their own recommendations. This afternoon, the Centers for Disease...

Cape Cod, Massachusetts — A forest pest that bedevils Maine residents and tourists with hairs that cause an itchy rash appears to be spreading due to warming temperatures, a group...

New research provides evidence of demographic shifts in sub-Saharan Africa. A new analysis of human remains that were buried in African archaeological sites has produced the earliest DNA from the...

As the US tries to move toward a clean energy economy and net-zero carbon emissions by 2050, it seems that biofuels are having their moment. These renewably sourced liquids could...

Woodwardopterus freemanorum was over 1 m (3.3 feet) in length and lived some 252 million years ago (Late Permian epoch) in a freshwater environment. Life reconstruction of Woodwardopterus freemanorum. Image...

If you were to think of a famous serial killer or the subject of a true crime documentary, the chances are that a male character will come to mind –...

Astronomers famously snapped the first ever direct image of a black hole in 2019, thanks to material glowing in its presence. But many black holes are actually near impossible to...

Researchers from the University of Oxford have discovered a previously unknown, highly virulent variant of HIV circulating in the Netherlands since the 1990s. They published their findings today in Science....