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 ...

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

The Nuclear Furnace at the Sun's Heart The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million ...

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 ...

Everyone loves a roughie, those unlikely outsiders that capture the imagination on the day of the race that stops a nation. Over more than 160 years of Melbourne Cup history, the famous two-mile race ...

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 ...

The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

The uproar over Tucker Carlson’s interview with white nationalist and Holocaust denier Nick Fuentes has sparked yet another round of MAGA civil war talk. Full disclosure: I previously worked for ...