This 275-million-year-old animal had a twisted jaw like nothing alive today

A study published in the journal Britannia analyzed coins and metal items found in an early 5th-century AD burial in Oudenburg, Belgium. The burial occurred around the same time that base metal coins ceased arriving in northwestern Roman Provinces (ca. 400 AD). With no new currency introduced, it is plausible that people turned to other practices and materials when still-circulating coins may not have met demand. Burial A-104 may be one example of such practices, possibly representing a sort of

What's the point of play? Is it simply a way to keep children occupied, or something more? For some, it's about learning literacy and numeracy. For others, it's how friendships form and relationships deepen. But it can be all of these at once, and more.

You're on the fourth human mission to Mars, and you're told the Odyssey spacecraft designed to take you there will be the smoothest ride you'll ever take. It features a newly christened electric propulsion engine which was in the late stages of testing during the first three missions. The mission starts and the spacecraft travels at a crawl, and you wonder if it's broken. A week goes by and you're now traveling at more than 400,000 kilometers (250,000 miles) per hour, and your mind is blown as t

A Moffitt Cancer Center researcher has introduced a new model that addresses one of biology's most fundamental questions: How does genetic information keep living systems organized and therefore alive?