Low-frequency noises that humans can feel, but not hear, may be behind the spooky feeling of old houses—and serve as a warning to animals.

A bioethicist walks us through the complexity of clinical trials, from their core scientific questions to patient selection to FDA approval.

A processing plant in Mississippi is leaking massive amounts of Paraquat into the air. Its biological link to Parkinson's is becoming clear.

A mathematician analyzed 150 years of women’s fashion to understand 20-year trend cycles, and how “optimal distinctiveness” drives change.

A new simulation shows large amounts of hydrogen in our planet’s core. And, what scientists found in 290-million-year-old vomit.

Research shows yawning might help clear waste from our brains. Plus, breaking down a CDC report on how little sleep Americans are getting.

In the microgravity of space, tumors can triple in size in just 10 days. That could be a boon for cancer research, and a risk for astronauts.

Why are appliances playing elaborate tunes, and where do they come from? Two sonic designers explain how they compose for your vacuum.

The cycle of El Niño and La Niña is a powerful shaper of weather trends worldwide. What could a "super" El Niño bring?

The Artemis II crew took photos of the far side of the moon with handheld cameras. A science team on Earth had plenty of requests.