Earth formed around 4.54 billion years ago. Knowing how old Earth is can be more difficult to confirm because Earth's age is not only based on the age of rocks, but also the isotopic estimates of what ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

When we start talking about Earth's origin, there are many theories on the table that have been tossed around for years, with the Big Bang hypothesis often leading the charge. But thanks to the James ...

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. When you purchase through links on our site, we may earn an affiliate ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. New model suggests an ocean of magma formed within the first few hundred million years of Earth's ...

Earth and Mars were formed from material that largely originated in the inner Solar System; only a few percent of the building blocks of these two planets originated beyond Jupiter’s orbit. A group of ...

One key component might be RNA, a molecular cousin of DNA found in every form of life on Earth, and now scientists say they ...

Scientists have long believed that the Moon was formed by a massive object crashing into the Earth. But what was that thing ...

Our moon has been our constant companion for billions of years. But we're still not sure how it came to be, though scientists have a few theories. The most outlandish theory, in which an alien planet ...