Oral piercings can look very cool, but are they safe? Smiley piercing is a kind of controversial piercing. Read on to learn about the smiley piercing process, jewelry, aftercare, and more.

The mysterious craters measure 160 feet (50 meters) deep and up to 230 feet (70 m) across, and first appeared on Russia's northern Yamal and Gydan peninsulas in 2014. Chunks of rock and ice strewn ...

“I think they might be more accurately called craters,” Baillod said, explaining that they may be the result of trapped gas or water upwelling towards the surface. Further research needs to be ...

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface.

Mysterious craters that first appeared in the Siberian permafrost a decade ago were caused by climate change-driven pressure changes that explosively released methane frozen underground ...

A second, smaller space rock smashed into the sea off the coast of West Africa creating a large crater during the same era. It would have been a “catastrophic event”, the scientists say ...

A satellite image of Gosses Bluff Crater located near the centre of Australia. The 22-km wide crater ... [+] is believed to have been created by an impact around 142 million years ago. Geological ...

Illustration: Mark Garlick Sharp, three-dimensional seismic data of a seafloor crater off Guinea seems to confirm that a second asteroid hit Earth at approximately the same time as the behemoth ...

Crater Lake's famously pure water and a newt that calls the lake home are under threat from the explosion of an invasive crayfish, leading to potential action under the Endangered Species Act, the ...

An unexploded American bomb from World War II that had been buried at a Japanese airport exploded Wednesday, causing a large crater in a taxiway and the cancellation of more than 80 flights but no ...