During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

Theia, the world that helped form the Moon, came from the Solar System. Chemical clues in Earth and Moon rocks reveal this ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

An essential amino acid that is mistakenly believed to cause drowsiness after eating turkey has been found in an asteroid for the first time, giving scientists clues to the origin of life on Earth.

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

Mineral-only” sunscreens are making huge inroads into the sunscreen market, driven by fears of “chemicals”, a belief that ...

The sun has long been a subject of mystery. What is that big yellow ball in the sky made of? If we now know, it's thanks in ...

There’s an element scattered across the universe that defies every prediction cosmologists thought was settled. No model fully explains why it exists in the quantities we see, or how it survived the ...