Earth Science

Earth Science covers all facets of how the earth works, from from volcanoes to the world's oceans.

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There are caves all over the world, but some are in places that are hard to explore — hidden by rocks, ruins or even under ice. We've found seven secret caves you probably never knew existed.

By Stephanie Parker

The waters of the Atlantic and Pacific oceans meet at the tip of Cape Horn and never the two shall mix, right?

By Jesslyn Shields

The Atlantic Meridional Overturning Circulation, or AMOC, plays an essential role in regulating ocean temperatures, but it looks as if it may be collapsing. What happens next?

By Joanna Thompson


This ancient rock adorns King Tut's coffin and the Sistine Chapel. And at one time it was more precious than gold. What is it about this deep blue rock that has drawn us in for centuries?

By Carrie Whitney, Ph.D. & Austin Henderson

It's possible that the giant, deadly serpent hanging out at the bottom of Fosse Dionne spring is just a legend, but divers have disappeared trying to find out, so who knows?

By Jesslyn Shields

The curves of the Serpent Mound, Ohio state's massive and mysterious geological wonder, line up with the sun during equinoxes and solstices.

By Jesslyn Shields

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.

By Allison Troutner


Waterfalls are mainly reliant on precipitation to keep flowing. Here are six famous waterfalls that slowed to a trickle when drought set in.

By Laurie L. Dove

Deep underneath Antarctica, there lies a hidden lake. Roughly the size of North America's Lake Ontario, the buried landmark has inspired curiosity and controversy for decades.

By Mark Mancini

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.

By Allison Troutner

The dead zone, caused by massive amounts of algae growth, is a vast area off the Gulf of Mexico that is deadly to marine life. How is human activity making the dead zone worse?

By Jacob Silverman


For more than 40 years, scientists have tried to figure out what's causing large parts of Canada to be "missing" gravity. The force of gravity around Hudson Bay is lower than surrounding areas. Learn about two theories that may explain the phenomenon.

By Jacob Silverman

Diamonds are beautiful and popular - but not everyone can afford these gems. While man-made versions are less expensive, most lack the luster and brilliance of the real thing, except moissanite. See how it compares!

By Melissa Russell-Ausley

On a planet that is 70 percent water, people don't have enough clean, safe water to drink. We're in a water crisis, and water rights are becoming a big issue. What happens if we just plain run out?

By Josh Clark

Have you ever read "Journey to the Center of the Earth" and wondered if it were possible to do it? Well, scientists are in the process of giving it their best shot. How hard is it to dig a hole this deep, and what might they find?

By Patrick J. Kiger


The oceans are rising, and they're threatening to take down some of the world's brightest cultural gems. Here are 10 of the most notable spots endangered by climate change.

By Chris Opfer

You likely heard that paleontologists uncovered a cache of dinosaur embryos, bone fragments and eggshells in China. You also may recall that we've made crazy leaps forward in genetics and genomics. Can we put the two together and create a dinosaur?

By Nicholas Gerbis

There's still a lot we don't know about the world. A thousand years ago, we thought we could literally sail off the edge of the planet. Good thing we're quick learners. But while space may be the final frontier, the ocean may be the greater mystery.

By Kate Kershner

There's no denying it: "Anomaly" is a great word, full of danger and mystery. So when an underwater object is declared a bona fide anomaly, it's no surprise our ears perk up a bit. But is the Baltic Sea anomaly worth the hype or just a big old dud?

By Kate Kershner & Yara Simón


It's not just the size that differentiates a lake from a pond. The real distinctions flow much deeper.

By Sharise Cunningham

In the search for Cleopatra's tomb, a team of archaeologists was surprised by two mummies with gold foil-covered tongues. What was the reason for this strange burial custom?

By Jesslyn Shields

A lot of the times when people think of ancient artifacts, they picture Greek or Roman tools and relics. Things like oxidized copper trinkets, ivory statues, or maybe a bit of gold jewelry. But once you start thinking in archeological terms, a whole world of possibilities open up that pre date recorded history. Now we […] The post 12 Of The Oldest Objects Ever Discovered appeared first on Goliath.

By Wes Walcott

Desalination has long been considered too expensive and too energy-intensive to make much sense. But with newer technologies, that line of thinking is changing. What are some of the most interesting desalination projects on the planet?

By Jessika Toothman


Famine might bring to mind historical tragedies or modern media coverage of tiny children with swollen bellies. But how does the unimaginable -- a widespread loss of food -- actually happen?

By Jessika Toothman

Anthropologists specialize in, well, us. But studying humankind doesn't mean you have to hole up in a library or laboratory. Take a peek at this article to learn more about the dynamic, enriching field of anthropology.

By Nathan Chandler