Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...

A distinctive blue and green image of Earth reveals our planet's most remarkable features. At 4.54 billion years old, our home world is a venerable object. But it was only with the arrival of the ...

K2-360 b has a radius just shy of 1.6 times that of Earth, giving it a volume four times as large. Its mass, though, is 7.7 ...

FailArmy is here with our own version of Planet Earth! We have elephants ... World Series Warren Buffett once explained what he'd do to turn $10K into a huge fortune if he were a new investor ...

Even from space, you wouldn’t detect something important about Earth’s shape: It’s not perfectly round. It’s actually a slightly oblate spheroid, or an ellipsoid. This means it is a little bit wider ...

Billions of years ago, the fourth planet from the sun could have been mistaken for Earth’s smaller twin, with liquid water on its surface—and maybe even life. Now, the world is a cold ...

Four large asteroids will make their closest approaches to Earth on Thursday, each passing by the planet within a 24-hour time frame. Two had already zipped past early in the morning, according to ...

Here’s how it works. A captivating new video shows how Earth's magnetic field went haywire and almost completely disappeared during our planet's most recent "polar reversal event," around 41,000 ...

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 ...