Mimi Ausland began as an advocate for animals with her interactive quiz website that donates food to shelters. Now, she's tackling plastic waste in the ocean.

Some planes are now powered with fuel made from beef fat and forest waste.

Simba, a French bulldog, arrives safely after a quick-thinking landing.

Bleary-eyed travelers everywhere rejoice! There may be a solution for jet lag symptoms.

Solar Impulse 2, the solar-powered plane, traveled across four continents, three seas and two oceans with Bertrand Piccard, Andre Borschberg at the helm.

The Airlander 10 is a helium-filled airship intended for surveillance, communications and aid deliveries.

World's first tree-powered long-haul flies from Seattle to D.C.

Despite fantastic cabin service and other amenities, these sky marathons can tax even seasoned travelers.

Air vents on airplanes create air turbulence around you, which blocks germ particles and forces them to the ground.

Mahshid Mazooji missed her connecting flight at the Charlotte airport, but instead of stewing about it, she threw a dance party.

When Darcy was in distress, JetBlue attendants rushed to her aid with ice and oxygen.

Therapy dogs are becoming more common at airports, but some other, more unusual animals are also helping to relieve travelers' stress.

The rules for service and support animals are changing rapidly.

With fears of the coronavirus — and flu season — here's how to stay safe on a plane.

Study finds cockatoo called Snowball taught himself to dance and researchers want to understand how.

Scientists have just made the most precise measurement yet of how fast the universe is expanding.

Grandma's chicken soup has got nothing on these miraculous broths.

Similar organisms might have seeded the early Earth with life.

The magnetic pole is moving faster than at any time in human history, causing major problems for navigation and migratory wildlife.

New evidence of a massive lightning strike at the center of an ancient stone circle offers clues.

Startling new research suggests that dark energy might be nothing more than a simple measurement mistake.

The new auroral form called a sky dune has been discovered by amateur stargazers.

New evidence suggests this same story has been passed on for 37,000 years.

Australian soldiers from the 9th Brigade used their day off to help feed displaced koalas affected by bushfires at Cleland Wildlife Park.

Become a backyard naturalist by taking part in the City Nature Challenge.

Figuring out the precise brightness of the moon will help with more accurate satellite views.

Walking outside is having a moment, helping us clear our heads of coronavirus worries and breathe some fresh air.

Mary Winchen, the creator of Tirdy Works, speaks about her moose turd art with just the right combination of seriousness and puns.

Billions of bioluminescent algae literally make the sea sparkle in Tasmania's Preservation Bay off the coast of Australia.

Ohio voters just passed the Lake Erie Bill of Rights, and it could help to save the pollution-choked Great Lake.

From their commitment to sustainability to their reputation for making a mean cup of joe, the people of Costa Rica clearly have their priorities in order.

Mountain bikers wind through the misty temperate rain forest of Whistler, British Columbia, leaving stunning long-exposure light trails in their wake.

Assemble these casseroles the night before. Throw them in the oven Christmas morning and breakfast is ready in about an hour.

Expect to pay more for avocados for your guacamole — or just make "mockamole" instead.

This modern version of warm milk may help you sleep, but not for the reason you think.

The Nanoleaf Light Panels and Rhythm sensor is all fun, no business.

Lush, but low-water gardens are a growing popular necessity around the world, and the Australians have a lot to teach the rest of the world.

The old school approach: Knightsure director Tony Knight prides himself on his old school, face-to-face approach, but is not afraid to take on new challenges such as cyber or how to thrive in the post-Brexit world

Scott, who founded Aston Scott Group, has invested in the start-up which was launched by former Aviva broker distribution director Fraser Edmond.

Officials in New South Wales are confident that transforming the ghost tunnels could have 'global potential.'

No one looks forward to spending hours and hours in a cramped airplane seat, but there are ways to make those lengthy flights more comfortable.

Only a small fraction of flights would need to adjust their altitudes to achieve the effect, new research suggests.

This David vs. Goliath story could impact the future of renewable energy everywhere.

Environmentalists spend a lot of time telling you what not to eat. Here's how to help fight climate change with what you actually eat.

Delta all-female team flies female students to NASA in hopes of inspiring them to pursue STEM careers.

Want a real Christmas tree this season? Expect fewer options and higher prices.

A descendant of the Newton Tree lives a private, unassuming life in California.

Rescuers scrambled to save 90-million-year-old Wollemi pines from encroaching fire in Australia.

The Endangered Species Act is popular with voters, so why are politicians changing it?

Two new studies map out the potential revival of Earth's lost forests.