Biology

The surprising way psilocybin alters the brain’s chemistry to treat depression

Can hummingbirds survive climate change? Scientists say it's complicated

Ancient Roman man lived in agony before Vesuvius eruption killed him — DNA analysis

In a bizarre new experiment, scientists threw salamanders into a wind tunnel

What you need to know about the monkeypox virus

Origin of Life: Scientists may have found a missing link between the primordial world and modern life

Watch: Skydiving salamanders survive falls from redwood trees by gliding effortlessly

How often should you poop? Holding it in can lead to “significant" gut problems

Bees and humans have a shocking skill in common, new study reveals

Why is my cat peeing everywhere? Pet experts explain this surprisingly complex behavior

How do dolphins maintain their glowing skin? A study reveals the surprising answer

The most controversial alien sci-fi movie on Amazon Prime explores a murky theory on the origin of life

Look: Hidden fossils reveal a microscopic creature that may be resilient to climate change

Mysterious hepatitis outbreaks in children are confounding doctors. Here's what you need to know

Study: Being close to nature reduces the risk of stroke

Pig-human heart transplants still have a long way to go

200 years ago, this terror of the Amazon inspired the world’s first batteries

Octopus facts: 5 incredible tidbits you didn't know about the cephalopod

Omicron subvariants guide: An epidemiologist answers 5 essential questions

The greatest sci-fi epic on HBO Max reveals a provocative scientific debate

Surprise! Biologists find that plants can grow in Moondust returned by Apollo

A brief history of video game poop, from 'Earthbound' to 'Death Stranding'

Look: Missing 19th century platypus and echidna specimens discovered in museum storage

The modern flu is a direct descendant of the virus that caused the 1918 pandemic

Severe Covid-19 can dramatically age your brain — study

These exercise hacks help improve heart health in people with desk jobs

You get less sleep than a chimp — and there's an evolutionary reason why

Should you exercise your dog on a treadmill? Here's what veterinarians say

The grossest idea from The Matrix could lower your energy bill

Should we abandon refined-flour pasta? A dietitian digs in on "healthier" alternatives

What overturning Roe means for medication abortion

For mice, fasting at the right time extended lifespans — but can it work for humans?

A massive societal problem for humans is also harming animals

Overturning Roe v. Wade will make the U.S.’s horrifying maternal mortality rates even worse

Science debunks a viral belief about masturbation and testosterone

More than half of Americans have had Covid-19 — here's how to tell if you are one of them

Should you exercise when sick? It’s complicated

Scientists calculated the bare minimum amount of exercise to fight depression

How to help your pet lose weight: 4 tips for healthy cats and dogs

Vaccine boosters may not be enough — the problem with immune “exhaustion”

Study: Intermittent fasting is not better than just eating less

1 in 5 reptile species is now endangered — here's why that matters so much

A new hibernation study is bad news for future space travelers

This nearby Earth-like exoplanet may be habitable, but only sometimes

Astronomers just found 2 new building blocks of life in meteorites

Wild video reveals male spiders launch into the air to avoid being eaten after sex

Exercise may matter more than BMI for lowering cancer risk

What happens if your dog gets into your weed stash? Why you need to be poison aware

This TikTok trend encourages you to drink aloe vera. Should you?

Hubble Telescope anniversary and more: Understand the world through 9 images