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This year’s ozone hole peaked in September at its smallest observed extent since 1988, due to an unstable and unusually warm Antarctic vortex in 2017.
The Yellowstone supervolcano’s last eruption wasn’t a single event, but 2 closely-spaced eruptions that put the brakes on a natural global-warming trend, says a study.
Eerie denizens of the ocean depths star in this video from the Monterey Bay Aquarium Research Institute.
These swirling, intense red sunset skies are due to ongoing wildfires in northern Italy.
In recent years, the International Space Station has given astronauts the chance to photograph transient luminous events – or TLEs – natural light shows produced at the tops of thunderstorms.
La Niña (or not) is the biggest wildcard in how this year’s winter might shape up. Overall, NOAA’s outlook suggests a relatively cool, wet U.S. North – and warm, dry U.S. South – this winter.
Jaws beware! Alligators might be coming for you, according to new research.
They work together, talk to each other and use tools. A new study links the complexity of Cetacean culture and behavior to the size of their brains.
Social media was buzzing on Monday with photos and accounts of the red sun over the UK. British weather forecasters said it was dust from the Sahara, raised via Hurricane Ophelia.
Hundreds of species hitched a ride on debris from the 2011 Japanese tsunami for a 4,400-mile journey across the Pacific Ocean.
Keep watching for Leonid meteors
Photos of this week’s spectacular dawn