Scientists have created a sonic "tractor beam" that can pull, push and pirouette objects that levitate in thin air.

A prototype lunar rover that was sold to a scrapyard and reported by NASA to be lost has now been found.

The world's oldest depiction of a campsite may have been unearthed outside a cave in Spain.

Fern Cave hosts a wealth of species, including the largest colony in the world of endangered gray bats and many other species.

Changes on fast-food menus are a step in the right direction, but the task of finding healthy food falls to parents.

Tablet-style pay systems are convenient, but they put a new pressure on customers to tip because of the server's proximity. My suggestion: Stand your ground.

Which microwaves hacks are worth using, which aren't worth your time and which one is a party game changer?

The end of artificial preservatives may be near — thanks to the power of plants and phytonutrients called flavanoids.

The Artificial Inorganic Leaf (AIL) may unlock the secrets to producing cheap, clean hydrogen by mimicking the photosynthetic structure of the leaf.

A team of experts say the deadly explosion was caused by a buildup of static electricity after flying through a thunderstorm.

19 newly discovered dwarf galaxies are missing dark matter.

Scientists are studying new data from the Hubble telescope showing that planets with the density of cotton candy exist and they're called Super-Puffs.

Scientists say there may be a second black hole lurking at the heart of our galaxy.

So what if millennials killed mayonnaise and golf. Baby boomers killed the stuff that really matters — like the climate.

Multi-generation living may get even more multi-generational if current demographic trends — like boomers aging — continue.

Alexandra Cousteau ventures out of sight, deep into the cool world of New Mammoth Cave in Tennessee.

Music is only one of Chuck Leavell's passions. He is also a tree farmer and dedicated environmentalist. Learn more about his new series, In the Green Room.

Get tips to go green & save money around the house.

Clark Howard tells Jennie Garlington about one of his favorite energy-saving devices

Watch Part I of Chuck's exclusive interview and take the quiz below to win tickets to the 10,000 Lakes Festival.

Watch part 2 of Chuck's interview with Widespread Panic's John Bell.

Although refrigerators continue to grow in size and become more tricked out, new standards will also require them to be drastically more energy efficient.

When Hurricane Dorian hit the Bahamas, this rescuer opened her home to nearly 100 dogs.

I didn't realize what a dead zone the lawn is until I lived in a meadow.

You can create a haven for birds and other creatures by with native plants — and one very handy tool.

Popular online shopping holiday produces billions of dollars in sales — and billions of boxes in the trash.

New research suggests life on Earth sprang from geothermal vents in the deep ocean.

FDA issues rare warning after 21,000 people suffer an adverse reaction to Wen hair care product.

The number of negative health reactions to cosmetic products reported to the FDA has skyrocketed, with the majority of complaints coming for hair products.

Ever since Michael Cardenaz saved a hummingbird, the little bird keeps coming back to visit him.

Purple martins love tall, condo-style houses that can host a crowd.

Rescue workers swooped in and saved nearly 100 baby birds when tree in Oakland split and started to topple.

White ravens are spotted occasionally on Vancouver Island, but they don't seem to stay for long.

At Fort Stewart, the Army and the Fish and Wildlife Service are saving red-cockaded woodpeckers — and military training.

Study finds U.S. and Canada have lost 29% of birds in past 50 years.

A great horned owl is rescued from the ashes of the Maria Fire in California.

BIrds and bats don't seem to rely on their gut bacteria for the same things we do.

This flu season will likely peak in February and could be a mild one, according to a new predictive model.

'The Secret Life of Pets' is a hilarious rendition of what happens when you leave your pet home alone.

Chimp Haven sanctuary has new open-air corral for climbing, playing and exploring.

Synesthetes can taste sounds, smell colors or see scents, and research proves these people experience reality differently.

Instead of synthetic insecticides, entomologist Rich Hofstetter is recruiting native fungi to protect forests from bark beetles.

Rudi Putra takes on powerful palm oil plantations in the name of conservation — and wins.

LEDs can stop sea turtles from dying in fishing nets, a new study finds, and without limiting how many fish are caught.

There are ways to get rid of earwax that don't involve cotton swabs.

The website FlightNetwork features 50 of the world's most beautiful cities, as chosen by 1,000 of the world's top travel professionals.

The moon is surprisingly rich in water, nuclear fuel and rare metals, which is why humans are interested in mining it.

Rising health insurance costs have many people worried about the financial impact on the family budget.

You may think you're stuffed, but sugar has a way of making more space in your stomach, Norwegian researchers discover.

Anything with a diesel engine -- plane, boat, motorcycle -- can run on diesel, straight vegetable oil or biodiesel.