Earth is Hiding Another Planet Deep Inside

Earth's early history is marked by massive collisions with other objects, including planetesimals. One of the defining events in our…

9 months ago

How did Earth go From Molten Hellscape to Habitable Planet?

Earth formed from the Sun's protoplanetary disk about 4.6 billion years ago. In the beginning, it was a molten spheroid…

2 years ago

What’s it Like Inside a Super-Earth?

We know a ton about the inside of Earth. We know it has both an inner core and an outer…

2 years ago

It Looks Like There are Still Active Volcanoes on Venus

Venus' surface is no stranger to volcanoes. Radar images show more than 1,000 volcanic structures on the planet. But for…

4 years ago

How Do Volcanoes Erupt?

Volcanic eruptions are driven by a combination of mechanisms, which include pressure and heat in the Earth's mantle, as well…

8 years ago

What is the Difference Between Lava and Magma?

The difference between lava and magma, which is rather important when it comes to volcanic activity and geology, is just…

8 years ago

What Is The Surface of Neptune Like?

As a gas giant, Neptune has no surface, in the traditional sense. But atop its cloud layers, some pretty amazing…

8 years ago

What is the Earth’s Mantle Made Of?

Like all the other terrestrial planets, (Mercury, Venus, and Mars) the Earth is made up of many layers. This is…

8 years ago

What are the Earth’s Layers?

There is more to the Earth than what we can see on the surface. In fact, if you were able…

9 years ago

What If We Dug a Tunnel Through the Earth?

If we could dig a tunnel through the Earth, what would happen? And is this even possible? (more…)

9 years ago