Plate tectonics, or the recycling of Earth's crust, may have begun much earlier than previously thought—and may be a big ...

Jane Huang, an assistant professor of astronomy, grew up in Chicago, but has no strong feelings on whether New York or her ...

These are compositionally the same as mined diamonds, right down to the same sparkly atoms - but they've been grown in a lab instead of dug from the earth ... for every seven-day period when ...