For decades it was thought that water was prevalent in the outer reaches of the Solar System early in its history, with ...

This finding has opened up new avenues for understanding the early universe and the origins of water on our planet ...

Scientists hunting for the hypothetical Planet Nine have discovered a potential new dwarf planet, 2017 OF201, in the outer ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

Information about Uranus is limited. What we know is that the planet is composed mainly of water and ammonia ice, its ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

In a first-ever discovery, scientists have detected water ice surrounding a young star that closely resembles our Sun. This ...

Plants mastered the art of harvesting sunlight billions of years ago, using elegant rings of pigments in their leaves. Now, ...

Read Two views of the planet Uranus appear side-by-side for comparison. At the top, left corner of the left image is a ...

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