You've probably already seen these images of the Earth, floating in space, majestic and... blue. A deep blue, almost hypnotic. Except that... according to a recent study relayed by France Info ...

The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

While trying to determine if it could use the entire Earth's atmosphere as a massive sensor, DARPA made a highly unusual ...

The boundaries between planet Earth, the moon, and deep space just got fuzzier. According to a new analysis of data recorded by a spacecraft more than 20 years ago, the outer fringes of our cozy ...

Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.