NASA’s hiring a planetary protection officer – a job to protect Earth against alien microbial contamination.
Move over T-Rex, there’s a new heavyweight champion of dinosaurs. Say hello to Patagotitan.
Leslie's family lived in constant fear of genetic disease. New research is giving her hope.
After the blockbuster announcement a U.S. team successfully edited human embryos come the tough medical and ethical questions.
Wider crackdowns and opposition leaders seized from their homes. What’s next for Venezuela?
Investors are forking over big bucks to invest in the faux meat industry. Will this save the planet and humanity? And how does it taste?
Inside the Trump administration’s internal battle over the Paris Climate accord. Will the U.S. pull out?
The psychology and science of social awkwardness. How to embrace your own quirks and idiosyncrasies to become the best version of yourself.
Alternative medicine expert Dr. Andrew Weil says we take too much medication, and it’s hurting us more than we know. He says there are better options.
It’s not just Flint. More cities have dangerous lead levels in their drinking water. We’ll look at where and what’s going on.
Astrophysicist Neil deGrasse Tyson has cosmic questions about space and time. He’ll bring it all down to earth for us.
China’s out to own the sun. What about the United States? Plus, what we're doing to protect ourselves from cyberattacks on energy grids.
A new book tells the secret history of the federal government’s long investigation into mental telepathy, clairvoyance, precognition – for defense. The author’s with us.
Silicon Valley is throwing big money and brainpower into the quest to live forever. We’ll dig in.
As President Trump dismantles climate change protections, some coastal communities are now planning a “managed retreat” from sea rise. We’ll look at what that means.
Men and friendship. By middle age, many have too little of it. And it’s a threat to men’s health.
Millions are captivated by a pregnant giraffe live-cam, but in Africa, the population is on the verge of extinction. A top nature writer shares that story.
Cracking medical mysteries. A top doctor tells the inside story and drama of what it takes to get a diagnosis right.
Are you fighting the flu? You’re not alone. Flu cases are up nationwide. We’ll look at who it’s hitting hardest and why.
A study published yesterday by the American Cancer Society shows a significant increase in colorectal cancers among Generation X and Millennials.