Around 4.5 billion years ago, a planet called Theia is thought to have smashed into newborn Earth. The messy collision kicked up debris, which probably formed our nighttime companion, the moon. While ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

A collision between Earth and a massive Mars-sized protoplanet likely caused the formation of our moon. Now scientists from the Max Planck Institute suggest that doomed planet was likely a rowdy ...

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 ...

Dive into the most dramatic events in Earth’s 4.5-billion-year history, from its birth to the emergence of humanity. How did a hellscape of molten lava transform into a lush, green, watery planet ...

Scientists think a planet may have crashed into Earth 4.5 billion years ago, creating the moon. This alien planet, Theia, was thought to have completely disappeared in the collision. A new study ...

The story offers a cohesive explanation for how Earth gained both its moon and its moving tectonic plates, and it could aid in the search for other Earthlike worlds. But others caution that it’s much ...

Here are some of the most significant events about planet Earth in 2023. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. With climate change ...

After its debut in the United Kingdom, "Planet Earth III" will soon be available to stream in the U.S. The third iteration of the smash hit natural history series "Planet Earth" continues its ...