Why fake sugars may be bad for you

Erythritol, a popular alternative to sugar, may increase risk of stroke. Is any fake sugar safe?

The fungus from "The Last of Us" is being used as a natural pesticide

Forget zombies – using this type of cordyceps could be a potent, all-natural alternative to toxic chemicals

Newly discovered comet arriving in 2024 could be brighter than Venus

The arrival of C/2023 A3 (Tsuchinshan–ATLAS) is rare – the comet hasn't swung by Earth in more than 80,000 years

H5N1 is infecting millions of animals. If it crosses over to humans, it will be worse than COVID

Experts are on pins and needles over an avian virus called H5N1 that has killed 53% of the humans it infected

Why eating cannabis edibles feels so different from smoking weed, according to experts

Nightmare trips are much more common when eating edibles. There's a bizarre scientific explanation why that is

California's rare flowering "superbloom" at risk of being trampled to oblivion by unruly tourists

California's floral ecosystems can't handle a mob of tourists seeking that Instagram-perfect field of flowers

Black holes may be quietly generating the force that is tearing the universe apart, experts say

Like a "chorus of tiny voices," black holes may generate the energy propelling the universe's rapid expansion

How to improve your naps, according to experts

Sometimes a nap fully rests you. Sometimes it leaves you even more tired. Here's how to have the ideal nap

A jurassic mix between flamingo and whale: Never-before-seen pterosaur with over 400 teeth unearthed

This prehistoric flying reptile had some bizarre teeth for filtering prey

Drugs with bigger TV advertising budgets are typically of "low therapeutic value," study says

Yale and Harvard researchers found the drugs with big ad spends aren't generally the best drugs. Here's why

"The Last of Us" is an almost-perfect metaphor for climate change, but it gets one thing wrong

Climate change could trigger humanity's end, much like in HBO’s new drama series, but it won't happen suddenly