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Astronomers once gazed at the night sky and charted the stars using their naked eyes. Astrophysicist Emily Levesque describes how generations of telescopes have unlocked the wonders of the universe.

Many people think of Antarctica as desolate. But wildlife filmmaker Ariel Waldman says the coldest continent is brimming with invisible life — that can only be seen through microscopes.

The site had been offering the one-dose Johnson & Johnson vaccine until the federal government recommended a pause earlier this week.

In the heart of urban Brooklyn, a 300-year old farmhouse still stands. Archaeologist Alyssa Loorya explains how artifacts found at the site trace the life cycles of New York City--from 1720 to today.

At age 55, Elizabeth White lost her job--and her entire safety net--in the 2008 recession. Her story isn't uncommon. White says, now more older adults are pushed out of their jobs and into poverty.

Imogen Heap takes us through her many musical talents, from her Frou Frou musical partner, Guy Sigsworth — and their first new song in 17 years — to an extraordinary performance with musical gloves.

Over 30 million people in the U.S. have hearing loss. Neuroscientist Jim Hudspeth explains how the ear's thousands of hair cells function to amplify sound—and how they can be damaged but not repaired.

Dinosaurs ruled Earth for 180 million years, but to dominate they had to outcompete a slew of other animals. Paleontologist Emma Schachner thinks their lungs could have been the competitive advantage

Each day, we breathe about 22,000 times--and all that time we smell. Scent historian Caro Verbeek recreates scents of the past. She says, just like music and art, smell is a part of our heritage.

In 2002, freediver Tanya Streeter completed a record-breaking dive of 525 feet—in one breath. She reflects on the obstacles she faced, and the experience of pushing her body and lungs to the limit.

For marine biologist Ayana Elizabeth Johnson, not knowing where our seafood comes from isn't just a mystery—it's a problem. She says we should reconsider what we eat and how we take it from the sea.

Whales are more than just beautiful creatures—they play a vital role in the ocean's ecosystem. Marine biologist Asha de Vos explains why protecting whales is crucial for protecting the entire sea.

Legendary oceanographer Sylvia Earle has been exploring and working to protect our oceans for more than half a century. Her message has stayed the same: we're taking our oceans for granted.

The average price for a gallon of regular gasoline in Florida has reached $3.01. That's the highest daily average price since October 2014, according to...

Conservative activist James O'Keefe concocted a "CNN Caper," a plan to embarrass the news network by using hidden cameras to film one of its correspondents in a "palace of pleasure."

Social entrepreneur Jasmine Crowe has one mission: feed more, waste less. Her company Goodr is tackling food waste and getting food to those who need it most.

The loss of Native American food traditions has been taking place for centuries. At Owamni, chef Sean Sherman is trying to change that by serving food that celebrates and preserves Lakota cooking.

The killing of George Floyd by a police officer sparked massive protests nationwide. Writer, teacher, and scholar Clint Smith reflects on that moment through conversation, letters, and poetry.

A century after the 1918 flu, we see similar patterns in the ways we're responding to COVID-19. Laura Spinney reflects on the Spanish flu and how societies learn to move forward after pandemics.

Auschwitz Memorial officials call the vandalism "an outrageous attack on the symbol of one of the greatest tragedies in human history."

Artist Emily Quinn is intersex. She's one of over 150 million people in the world who don't fit neatly into the categories of male or female. She explains how biological sex exists on a spectrum.

Wikipedian Jake Orlowitz describes how volunteers update the world's largest encyclopedia. And co-founder Jimmy Wales says the site must not only be a neutral space, but one that encourages diversity.

NASA engineer Nagin Cox lives on Earth but works on Mars time, where days are longer and time works differently. Her work with the rovers has entirely changed the way she thinks about time on Earth.

Public places don't always fully meet the needs of a community. Shari Davis explains how participatory budgeting can give us all a voice in creating safer and more equitable public spaces.

In some rural African communities, elephants and humans are competing for space and resources like never before. Zoologist Lucy King shares her solution to the conflict: a simple beehive on a fence.