James Turrell discusses his ongoing land art piece, Roden Crater, created within a pit formed by an extinct volcano in the Arizona desert. ART21: Where are we, right now? TURRELL: Well, right now ...

Skin ulcers are crater-like, open wounds on the skin. Ulcers are roughly circular with a raw center. They often have thick and raised outer borders and may leak clear fluid, blood, or pus. Skin ulcers ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Scientists found Earth’s oldest impact crater, 3.5 billion years old, in Western Australia. (Artist’s concept.) Credit: SciTechDaily.com Researchers have discovered a 3.5-billion-year-old meteorite ...

The Pilbara crater predates these structures by over a billion years, offering a rare glimpse into Earth's formative eons. The ramifications of the Pilbara crater's formation were profound.

Shatter cones, which are features caused by the shockwave of a hypervelocity meteorite impact, are evidence that something hit this region when Earth was young. Impact craters this old have the ...

Unveiled today at the Eiffel Tower, American street artist and environmental activist Shepard ‘OBEY’ Fairey’s Earth Crisis artwork ushers in the upcoming world climate change conference, COP21, and in ...

Study opens new doors for studying how meteorite impacts might have influenced Earth. In Western Australia, researchers have made a significant discovery: they have found the oldest meteorite ...

(Picture: Curtin University) Scientists believe a newly-discovered crater believed to be the oldest in the world reveals a number of clues to the early days of life on Earth. A team of researchers ...

Earth’s oldest meteorite impact crater was just found in WA’s Pilbara region – exactly where geologists hoped it would be. We have discovered the oldest meteorite impact crater on Earth, in the very ...