Unlike the Earth, though, the moon’s surface did not cool to form tectonic plates. Instead, it has a thick crust made up almost entirely of a light-colored mineral called feldspar. Feldspar is the ...

Snowball Earth theory gets a boost from Colorado rock findings Tava sandstone formation provides key evidence for global ice ...

Few questions have captivated humankind more than the origin of life on Earth. How did the first living cells come to exist? How did these early protocells develop the structural membranes necessary ...

How did Earth atmosphere become oxygen ... present in small amounts in the air, form part of the other gases in it, too. As early as two billion years ago, the researchers report in a paper published ...

How old is Earth? Our planet's age is known from a variety ... but it will have some initial spin. The star will form out of 99% of that 'dough,' but the rest still has that spin — and, given ...

As early as two billion years ago, the researchers report in a paper published today in Science Advances, the Earth’s atmosphere experienced an irreversible influx of oxygen. The earth was 33 billion ...