Earth Science
Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.
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The world has only had time zones since the late 1800s. Some people think we should eliminate them and have just one universal time instead.
Permafrost across the globe is rapidly melting. What could this mean for the future of the planet?
By Mark Mancini
Let's take a look at some of the strongest metals on Earth and their surprising uses.
By Dave Roos & Sascha Bos
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It's perhaps one of the strangest fossils ever discovered. We'll explain how it came to be 15 million years ago, and how hikers found it in the '30s.
By Mark Mancini
Cobalt is associated with the color blue, but it's so needed for rechargeable batteries that the U.S. put it on the list of minerals it can't live without.
By Dave Roos
EXXpedition founder Emily Penn will captain the 300, all-female crew in its first Round the World sailing voyage.
Nutty Putty Cave, near Salt Lake City, Utah, was discovered in 1960 and sealed up forever in 2009. But why?
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Waterfalls are mainly reliant on precipitation to keep flowing. Here are six famous waterfalls that slowed to a trickle when drought set in.
Some say UFOs, while others say a meteor strike formed the Carolina Bays. Whatever created these isolated ponds and wetlands across North and South Carolina left a wondrous ecosystem that is in dire need of protection.
Not all fossils are found on dry land. In fact some of the most fascinating fossil finds in history have been submerged for centuries.
By Mark Mancini
The Pacific's Ring of Fire is a 25,000 mile long "ring" that's home to 75 percent of all the world's volcanic activity and 90 percent of the planet's earthquakes. So what makes this area so active?
By Mark Mancini
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The waters of the Atlantic and Pacific oceans meet at the tip of Cape Horn and never the two shall mix, right?
The curves of the Serpent Mound, Ohio state's massive and mysterious geological wonder, line up with the sun during equinoxes and solstices.
The rose-red mineral rhodonite was first discovered in the 1790s in the Ural Mountains of Russia. Today it's found globally and is associated with compassion, love and healing.
Cinnabar's bright-red pigment has been used in jewelry, pottery and makeup for millennia. But cinnabar is also the primary ore for mercury, making it a dangerous mineral if the particles are inhaled.
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Few Americans like the switching between Daylight Saving Time and Standard Time, but there's conflict on whether to switch permanently to DST or to ST. What are the pros and cons of permanent DST?
The element lithium is one of just three created during the Big Bang and has been used for mental health care for decades. But now it's in higher demand than ever before.
Does searching through the mud of a riverbank for treasures of old sound like a fun way to spend a day? If so, you may just be a true mudlarker at heart.
You can find hematite found all over Earth, as well as Mars. The bloodstone the main source of iron and is also used in jewelry and painting.
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Lakes seem like serene places to escape and enjoy peace and quiet. So you'd probably be surprised to learn that a lake can actually explode without warning. It's happened, with deadly consequences.
By Mark Mancini
But that doesn't mean they worshipped them.
By Dave Roos
The oceans on planet Earth cycle through daily tidal changes. But the ground beneath our feet experiences tides of its own, too.
By Mark Mancini
Will a town in southern Missouri be the epicenter of the next 'big one'?
By Mark Mancini
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How, in today's world, could a cave this massive go undetected for so long?
Prior to the mid-1990s, the magnetic north pole traveled at speeds of around 9 miles per year. Now, it's 34 miles annually. What accounts for the acceleration?
By Mark Mancini