The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “ Eye of ...

Over the years, passing spacecraft have observed mystifying weather patterns at the poles of Jupiter and Saturn. The two ...

New experiments reveal that protein precursors can form naturally in deep space under extreme cold and radiation. Scientists ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

A closer look at the Helix Nebula reveals how dying stars shed material, shape space, and hint at the distant future of our own Sun.

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Planetary rings explained: composition, formation theories, and a comparison of Saturn, Jupiter, Uranus, and Neptune’s rings.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either way, what does this mean for other water worlds in our ...