Biology

Scientists say all men have 'selfish sperm'

This beloved 'Game of Thrones' creature has a shocking evolutionary history

Fight off disease by making this one change to your nighttime routine

Video: Scientists discover new mode of ‘snake locomotion’

Megalodon: This ancient predator gave birth to babies the size of adult humans

Can we grow a heart? Stunning new scans offer clues

Why early human eating habits led to dog domestication

Ejaculation study debunks a longstanding theory about the refractory period

Ancient Arctic DNA gives unprecedented insight into human history

Computer scientists help decode language of death

Why do some mammals lay eggs? Strange platypus study explains

20 discoveries that redefined humans in 2020

Hangover cures: How to speed up your recovery period

Five incredible things we learned about the brain in 2020

5 worrying stats reveal how the pandemic affected your pet

The science behind catnip’s potent powers, explained

Archaic DNA stemming from ancient sex fundamentally influences health today

The pandemic made our pets gain weight for 1 insidious reason — study

What makes us human? Neuroscientists are a step closer to finding out

Scientists are fighting superbugs with economics

An ancient case of mistaken identity reveals a strange amphibian

High levels of microplastics may be in your oyster, study finds

Finally, scientists find the oldest sperm in the world

Why tardigrades spilled all over the Moon in 2020

In death, one form of sensory perception persists

Chloroquine: The miracle drug that never was

Ancient Mediterranean diets were rich in 3 unexpected foods

An ancient worm-like creature is an evolutionary miracle

Friends or enemies: Why social networks are the key to survival

Saber-tooth tigers may have been the size of grand pianos — study

This duck's semen holds a surprising clue to animal evolution

Scientists set the record straight on a common theory about the flu

Study reveals a surprising similarity between bonobos and humans

Space spiders build webs in an unusual way

Canan Dagdeviren wants more women in STEM to “not give up”

Fossil teeth confirm our wildest fears about this ancient predator

If aliens exist, here's how we'll find them

Shipwrecked ivory reveals a 16th century eco crime

Mummified Ice Age puppy's final snack stuns scientists

Study reveals the best way to train your dog

New bird species may come from surprising biodiversity ‘cold spots’

Killer cats: The surprising behavior of your favorite pet

Brain scans reveal lonely people's minds are different in 3 ways

Which Christmas tree is best for the environment? Real vs. fake trees

Psychedelic study reveals how LSD changes the brain

How virtual reality can unlock an elusive dream state

4 animal “scientists” helping us map the ocean

This Australian spider evolved to kill us — here’s why

Janice Chen is building the future with biology

A coin-sized biodegradable widget could end back pain