Episodes

A fossil find in California makes the case for human settlement of the Americas 130,000 years ago—much earlier than previously believed.

We explore the core issues underpinning this Saturday’s March for Science. And a look at how forensic ornithologists determine which bird species pose a threat to planes.

NASA has discovered a possible new home for life in the solar system. Plus, an unexpected 14,000 year-old archaeological discovery.

How does NASA design sturdy rover wheels for Mars? Plus, the challenges of listening to the stars despite Earth’s electronic noise.

Meet the robots that may someday mine the moon. Plus, a geologist searches for signs of life in rocks formed by asteroid impacts.

A look at wildflower sightings across the nation. And seven years after the BP spill in the Gulf of Mexico, how well has the Gulf recovered?

New weather satellites promise improved forecasting, but what happens if they break in orbit? Scientists hope to send robot repairmen to the rescue. Plus, a mathematical perspective on the beauty of vibrato.

How the president and Congress have been tearing down U.S environmental and climate change policy. Plus, a look at the invisible workers keeping child porn off your social media platforms.

Bee brains are tiny but mighty. We investigate these insects’ cognitive prowess. Plus, could DNA become a mainstream data storage option? And a look at a growing conservation movement among farmers.

As self-driving cars and other A.I. advance, how safe will we be from hacks? Plus, the nearby star with seven Earth-size planets that could hold the conditions for life.