Geologists have found that an ancient meteorite hit Scotland 200 million years later than previously thought, which has massive implications for the geological history of the region and some of the U.

The oldest rock in the United States has been discovered in Michigan, with zircons dating back 3.82 billion years.

A new analysis of that sample detected zircon crystals and dated them to 4.46 ... Meteoritics and Polar Studies at the Field Museum of Natural History in Chicago, in a statement.

To do this, they turned to tiny, uranium-bearing crystals preserved in lava, called zircons, which are like natural little time ... "We found hundreds of zircon grains on Easter Island," Rojas ...

I heard that there was a course where you got to go out into the field and see the natural world ... Bowring, contains tiny zircon crystals that hold information about the Earth’s early history.

“When the surface was molten like that, zircon crystals couldn’t form and survive ... Without the moon, life on Earth would look different. It’s a part of our natural system that we want to better ...

This material included tektites—natural glass formed from meteorite impacts—and zircon crystals that underwent intense shock from the explosion. These shocked minerals serve as key geological ...

according to the American Museum of Natural History. Zircon also has tiny amounts of the radioactive element uranium in its crystal structure, which decays over a long period of time and changes ...