Even from space, you can see that the planet Earth is full of life. When you take a closer look, you'll discover a delicate ...

What Earth do you live on? A round one? Flat one? Maybe your world is resting on the back of a huge cosmic turtle? What about ...

But in all likelihood, the Earth will not see this time, having been engulfed by the Sun in its red giant phase, around 7.6 ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

Like you, I'm given to wondering about "what ifs" to better understand the assumptions we make about the world. One of my favorites is what if the Earth stopped rotating? Let's just say things would ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An asteroid between about 130 and 300 ft. (40 and 90 meters) ...

The Moon exerts a constant physical influence on Earth through gravity, light, and orbital interaction. Its mass shapes ocean ...