Earth Science
Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
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Zulu Time is a shorthand for describing a time that is the same no matter where you are in the world. So, how does that work?
By Alia Hoyt
It's known as the "Gateway to Hell" and while it might not actually get you there, what it will unleash if it keeps thawing could truly be hellish.
What's the difference between moissanite and diamonds? And which of these brilliant stones wins out when it comes to the engagement ring competition?
By Mitch Ryan
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Arizona isn't all desert. Take Grand Falls, aka "Chocolate Falls." It is dry most of the year, but when it rains, this waterfall pours.
It was the world's largest diamond when mined and today it's cut into nine gems that are all part of the British Crown Jewels. But since the death of Queen Elizabeth II, questions have emerged about its imperialist history.
By Dave Roos
Scientists are concerned that the Thwaites Glacier is melting at a rapid pace, though some don't love the name "Doomsday Glacier." What does the rapid melt of this huge glacier mean for the future of our planet?
By Mark Mancini
When it comes to rivers, longest doesn't necessarily mean biggest, and length can be difficult to determine, so the top spot will always be debated.
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Nutty Putty Cave, near Salt Lake City, Utah, was discovered in 1960 and sealed up forever in 2009. But why?
Rip currents are the number-one concern for beach lifeguards: About 80 percent of all beach rescues are related to rip currents. Learn what they are and what you should do if you get caught in one.
By Tom Harris
The Arctic Circle is a region marked by frigid temperatures, strange sunlight and glaciers galore. And for hundreds of thousands of people, it's also home sweet home.
By Mark Mancini
Explore the Pacific Ring of Fire, a 24,900-mile zone with 75% of Earth's volcanoes and 90% of its earthquakes, shaped by dynamic tectonic activity.
By Mark Mancini
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The seven largest countries in the world account for nearly half of the world's land area, but one is far larger than the rest. Do you know what the largest country is?
Curious about healing crystals and their meanings? Here's the lowdown on 12 of the most popular stones for wellbeing.
If you think the largest desert in the world is hot and sandy, think again. These 10 deserts spanning the globe are massive, but they're not all sunbaked.
By Mitch Ryan