Most scientists think that Earth and Mars took shape this way from rocky pieces swirling around the young sun around 4.5 ...

A sliver of iron thinner than a human hair was squeezed to deep-Earth pressures between the tips of diamond anvils, then ...

This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s questions. Here’s what our readers had to say ...

Water ice under extreme pressure shifts into a denser, less symmetrical structure, informing planetary models while its ...

Known as the giant-impact hypothesis, this proposed event involves a collision between Earth and a hypothetical Mars-sized protoplanet astronomers call Theia.

A new study offers an explanation for unusual chemical signatures found in some volcanic rocks.

The history of ceramics is often explained as a progression from unglazed earthenware to glazed pottery, from pottery to ...

When Earth formed billions of years ago, its metallic core was wrapped in a global ocean of molten rock, which eventually ...

Scientists did not arrive at Earth’s age from one clue. Several very different measurements keep pointing toward the same ...

Where did it start? How did it grow complex? Why did it get big? Three moments in Earth’s early history when evolution ...

The 6,000-year claim faces evidence from several places that have little to do with one another. What those independent ...