For most of the 20th century, the model of human origins was a tree: with the trunk dividing into branches, and then twigs.

Hair, nails, and horns, all made up of keratin, are some of the hardest and most resilient structures in animals. Inside zebrafish cells, keratin plays a distinct role, giving them the strength they ...

Brain size and bipedalism are the most likely drivers of our species’ right-hand dominance, according to new research ...

Humans are overwhelmingly right-handed, but scientists have long struggled to explain why no other primate species shows ...

How can you get gray hair in your 20s? Well, now, I’m 29, and I catch little gray hairs sprouting from my roots often, no ...

The nightmare that jolts you awake at 3 a.m. isn’t a malfunction. It may be one of the oldest survival systems in the human ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

I’ve been single by choice for a long time, which I’m completely happy about, but I’m considering getting back into the dating pool. I used to shave my legs and armpits (and sometimes wax downstairs), ...

This is read by an automated voice. Please report any issues or inconsistencies here. LA Times Studios may earn commission from purchases made through our links. Naomi Whittel, founder of OMI, a ...

We feel it every once in a while: a lump in our throat, a burning in our eyes, and then warm tears welling up in them. Whether it’s joy, grief, awe, or something undefinable, the experience is ...

Natural selection has been playing a bigger role in changing modern human DNA than previously thought, according to a new study. geralt via Wikimedia Commons under CC0 Many people are familiar with ...