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.

Ella al-Shamahi is the perfect guide to our ancient ancestors. In Human, she takes us on a whistle-stop tour of our past over a span of 300,000 years, including our turbulent relations with other ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have ...