Studies say the bird population in North America is almost 3 billion birds smaller than in 1970. Plus, author and journalist Mike Pearl discusses The Day It Finally Happens.

More and more industries are responding to climate change. Will fashion brands follow suit?

How the ancient science of geometry has shaped our modern world. Plus, rats learn to hide and seek, and we peek into the Milky Way.

Facial recognition technology is all around us. But some argue that its use by law enforcement agencies and courtrooms raises particular concerns about privacy, fairness, and bias.

New York’s biggest bird enthusiasts discuss their favorite birds to see in the city and how to protect them from urban hazards.

In “How To,” Randall Munroe answers how to send a file, charge your phone, and other questions with uncommon solutions. Plus, new concussion research at the start of football season.

Indigenous peoples have been observing the world for thousands of years, but underrepresented in the sciences. How can we make science more inclusive?

A patient has died from an illness linked to vaping. What don't we know about the health risks of e-cigs? Plus, use our free STEM resources for teachers, by teachers.

Each year, 15 million tourists visit Lake Tahoe. How is climate change affecting the area and how are local business—from ski resorts to casinos—adapting to these changes?