How old is Earth? Our planet's age is known from a variety of sources, from rocks on our own planet to ones from the moon.

The significance of this discovery lies in its potential to bridge the gap between simple molecular structures and the ...

Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist?

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

Maybe some of it was created in space long after Earth and the rest of the solar system formed, and then delivered to Earth. New research in The Astrophysical Journal explores how water can be ...