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

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

Planetary scientists have shown that the material that makes up the Earth originates exclusively from the inner solar system. Planetary scientists have long debated where the material that formed our ...

The formation of Earth's continents billions of years ago set the stage for life to thrive. But scientists disagree over how those land masses formed and if it was through geological processes we ...

Earth and Mars may have formed through very different processes, despite developing as neighbors in the early solar system.

A striking patch of bright rock in southern Madagascar has an unexpected connection to the Moon. Surrounded by rocks that ...

There are several theories about how the Earth and the Moon were formed, most involving a giant impact. They vary from a model where the impacting object strikes the newly formed Earth a glancing blow ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The history of Earth's continents might be different from what we first ...

The chemical element sulfur is essential for all lifeforms and is a building block of proteins and amino acids. By studying sulfur-based molecules in space, scientists are working to understand the ...

New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets.