Sea scorpion. Well, happy Tuesday. Scientists have discovered the world's oldest specimen of (yikes) sea scorpion in an ancient meteor impact crater in Iowa, and it's a real doozy.

Earth's first big predatory monster was a weird water bug as big as Tom Cruise, newly found fossils show. Almost half a billion years ago, way before the dinosaurs roamed, Earth's dominant large ...

Feb. 15—SANTA FE — Scientists have discovered the fossil — never found in New Mexico before — of a new species of giant sea scorpion in the Manzano Mountains. The 4-foot-long fossilized ...

WASHINGTON -- Earth's first big predatory monster was a weird water bug as big as Tom Cruise, newly found fossils show.

"This is the first real big predator," Lamsdell said."I wouldn't have wanted to be swimming with it. There's something about bugs. When they're a certain size, they shouldn't be allowed to get ...

The sea scorpion grew to 5 feet 7 inches, ... ''This is the first real big predator,'' Lamsdell said. ''I wouldn't have wanted to be swimming with it. There's something about bugs.

This sea scorpion existed more than 400 million years ago and was usually less than one foot in length, but relatives are believed to have reached up to eight feet. H. Zell/Wiki commons, CC BY-SA A ...

A 3.3 foot-long (1 meter) sea scorpion prowled the seas of what is now China some 435 million years ago, using its giant, spiny arms to ensnare prey. Archaeologists recently discovered the remains of ...

Two words you probably don’t want to hear in one sentence? Sea scorpion. Scientists have discovered the world’s oldest specimen of (yikes) sea scorpion in an ancient meteor impact crater in ...