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.

You’ve probably seen the analogy of the Earth’s timeline compared to a one day, 24-hour period. If not, take a look at the video below to get a quick understanding. According to this analogy, Earth ...

Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, a new study reports. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside a ...