How did the huge dinosaurs stay cool? According to a new study, they did it much as today’s alligators do, with a built-in ‘air conditioner’ on the top of their skulls.
With 33 eruptions as of August 27, Steamboat geyser in Yellowstone National Park is having an exceptionally active year.
An extinct species of giant penguin – over 5 feet (1.6 meters) tall – has been identified from fossils found in New Zealand.
Dorian, the 2nd most powerful Atlantic hurricane on record, has devastated the Bahamas, with the death toll expected to rapidly rise as rescue work gets under way.
Gorgeous night skies over North America’s best petroglyphs and ruins – and don’t miss 2018’s Super Blue Moon lunar eclipse (at 1:03) – in Skyglow’s newest video.
If you go by cartoons and T-shirts, you might think evolution proceeds as an orderly march toward a preordained finish line. But evolution has no endpoint in mind.
NASA astronaut Christian Koch snapped this image of Hurricane Dorian from the International Space Station on Monday, September 2, 2019. The station orbits more than 200 miles (300 km) above Earth.
Nearly 40,000 fires are burning in Brazil’s Amazon rainforest, the latest outbreak in an overactive fire season. Don’t blame dry weather, say environmentalists. These Amazonian wildfires are a human-made disaster.
NASA released this 1st moon photo of Earth on August 23, 1966, via its spacecraft Lunar Orbiter 1. Years later, it used digital technology to restore the photo and reveal more detail.
On tall ice structures high in the Chilean Andes, researchers found algae growing on snow. They don’t entirely understand how the algae are able to bloom.
Watch after sunrise for a daytime moon
Northern lights caused green-colored clouds