Next to it, a much smaller sphere shows the world's liquid fresh water. This image shows blue spheres representing relative amounts of Earth's water in comparison to the size of the Earth.

Scientists at the Harvard-Smithsonian Center for Astrophysics are leading a major part of NASA’s new SPHEREx mission to study ...

It seems as if Earth's atmosphere is incredibly thin, wrapped tightly around our planet. In fact, the atmosphere consists of multiple layers, with some scientists of the opinion that the atmosphere ...

To recreate a scenario that may have produced Earth’s first organic ... (CH4), hydrogen (H2) and water, enclosed their “atmosphere” inside a glass sphere and jolted it with electricity ...