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California's iconic old-growth redwoods are incredibly resilient and built to survive fires. But even they may find it harder to rebound amid the mounting impacts of climate change.

Several COVID-19 vaccine candidates are being tested now. But why does it take 30,000 volunteers to know if one is safe and effective? And what does it mean to say a vaccine candidate is working?

Airs Friday, July 5, 2019 at 7 p.m. on KPBS Radio

A college student charged in the U.S. Capitol riot was known on campus for his far-right views, which were nurtured by an online extremist. How do colleges confront extremism in their midst?

Chuck Yeager, fighter ace, test pilot, breaker of the sound barrier and coolest of the cool, was the man even astronauts looked up to. Yeager never sought the spotlight, and was always a bit gruff.

Twitter blocked hundreds of accounts the Indian government said were inciting violence. Then it unblocked them. Now it's stuck between Indian law and defending free speech.

In her new novel, Samanta Schweblin gives everyone in the world a little critter that's basically a Furby with a webcam — naturally, this does not end well, for the owners, the devices, or anyone.

The instruction many students get is not based on the overwhelming scientific evidence about how kids turn spoken sounds into letters and words on a page.

The instruction many students get is not based on the overwhelming scientific evidence about how kids turn spoken sounds into letters and words on a page.

The strange tradition of a president pardoning a turkey before Thanksgiving happened again despite Trump holding few public events since losing — and not accepting — the 2020 election.