Prenatal testing is changing who gets born and who doesn’t. This is just the beginning.
The country lifted all its COVID-19 restrictions just as Delta peaked. What happens next will tell us how well vaccines are working.
Parrots in the suburbs of Sydney are learning how to open trash cans from one another.
Humans are terrible at finding bats and birds killed by wind turbines. Dogs are great at it.
The pandemic was a big social experiment that sent asthma attacks plummeting.
Vaccinated America is on track to real safety. Unvaccinated America still faces a real danger from Delta.
The sea snot blanketing Turkey’s coastline isn’t just gross—it’s also smothering animals underwater.
There’s no way of knowing how bad things will get in the U.S. In a way, that’s a luxury.
The Human Genome Project left 8 percent of our DNA unexplored. Now, for the first time, those enigmatic regions have been revealed.
The U.S. had to rethink its definition of parenthood, to account for children born abroad to American parents using egg and sperm donors or surrogates.
How are dogs that have never been apart from their owners going to deal with post-pandemic life?
Three 103-year-old-lung samples hinted at how the flu mutated to become more deadly.
Domesticated betta fish have evolved a sex gene not found in wild fish of their species.
To reach the remaining holdouts, America’s approach to vaccine distribution is going hyperlocal.
The study of DNA from millennia-old bacteria and viruses is revealing new secrets about the plague and other epidemics.
Even as cases drop among vaccinated Americans, the coronavirus still can spread among unvaccinated people—who will be disproportionately children.
Concerns about blood clots with Johnson & Johnson underscore just how lucky Americans are to have the Pfizer and Moderna shots.
No, not COVID-19. Many, many viruses can infect humans without making us sick, and how they do that is one of biology’s deepest mysteries.
A perfect confluence of events created a stealth killer.
The way back from smell loss is its own strange experience.
A whale’s blubber is a feast for sharks, a natural end to—in this case—an unnatural death.