The team's calculations showed the protocrust—Earth's earliest crust formed during the Hadean eon (4.5–4.0 billion years ago)—would naturally develop the same chemical signatures found in ...

A study published in Nature on 2 April reveals that Earth's first crust, formed about 4.5 billion years ago, probably had chemical features remarkably like today’s continental crust. This ...

6 Save-the-Earth Tips to Share With Kids Here's good news for the Earth: Kids want to protect it. The trick is showing them how to do it in ways that will truly make a difference. Empower children ...

It’s here that Barbara Sherwood Lollar, a hydrogeologist at the University of Toronto, journeys into the planet’s crust to hunt for signs of life. “You get into a small truck or vehicle and go down a ...

Some of these questions are easy enough for kids to answer ... mantle and crust. What about this one: What percentage of the Earth’s surface is covered in water? The answer is 71 %.