Immunologist Dr. Kizzmekia Corbett-Helaire answers audience questions about when to get the latest COVID shot, rapid test efficacy, and more.

In her new book, climate policy expert Dr. Ayana Elizabeth Johnson explores what ideal climate solutions look like to a... more

Researchers, educators, and parents discuss smartphones in school. Plus, why research on how social media affects teens defies easy answers.

Two citizen astronauts on SpaceX’s Polaris Dawn mission left their capsule and returned safely. Also, while Aaron James can’t see... more

Samples of 2.5 billion-year-old mantle rocks found at spreading ocean ridges could put bounds on models of how the planet... more

In a new book called “Cowpuppy,” neuroscientist and farmer Gregory Berns investigates cow intelligence.

Shark fishing is alive and well, but the fishermen who do it are increasingly prioritizing conservation. And, an unknown ant... more

Researchers are harnessing DNA’s incredible capacity for information storage by turning genetic code into binary code.

ESA officials said it was only the ninth time an asteroid was spotted before reaching Earth’s atmosphere. And, as the... more

A new study suggests that the asteroid that killed the dinosaurs may have originated from the outer parts of the... more

In her new book, Ellen Ruppel Shell covers the natural history of eels and the crime ring that has sprung... more

Rogue worlds float around in the cosmos, untethered to a specific star. They could help scientists understand the formation of... more

The seasons are arriving at different times than they used to. A psychologist weighs in on whether these shifts could... more

Several states have reported cases of the rare but serious mosquito-borne illness eastern equine encephalitis. And, the new sci-fi movie... more

In “Bite,” author Bill Schutt takes readers on a dental adventure spanning half a billion years and much of the... more

Misreporting on death certificates could lead to inaccurate mortality data, including for key statistics like maternal mortality rates.

Cady Coleman discusses her reaction to seeing Earth from orbit, the challenges of her path into space, and her new... more

Sequoia National Park is largely designated as wilderness. That complicates efforts to protect its iconic trees from worsening wildfires. Also,... more

A new study measuring microplastics in organs of the recently deceased found that about two dozen brain samples were 0.5%... more

September’s SciFri Book Club pick, “Forest Walking,” teaches readers how to use all five senses to engage with forests in... more

The space elevator has long been a part of science fiction, but some experts believe it could soon be a... more

Exposing mice to a specific frequency of light and sound decreases Alzheimer’s biomarkers and symptoms. Now it’s being tested on... more

His new book “On Call: A Doctor’s Journey in Public Service” chronicles his work on health crises from HIV/AIDS to... more

Data from the Mars InSight lander points to the presence of liquid water underneath its crust. Also, some national and... more

Analyzing fossilized feces, called coprolites, is key to better understanding ancient ecosystems and dinosaur diets.

This specific type of solar cell is more efficient than what’s currently on the market. But what is it, and... more

As the climate changes, we need vegetables resilient to drought, pests, and heat. An expert explains how to breed plants... more

After a stegosaurus skeleton sold for $44.6 million, paleontologists are concerned about how selling dinosaur fossils affects research.

The Boeing capsule is having issues with its thrusters and cannot bring astronauts back to Earth, leaving NASA scrambling for... more

This is the fourth summer the U.S. has seen a COVID-19 surge. And no, it’s not a coincidence.