AT a small depth (from 12 to 40 feet) below the surface of the earth the temperature is constant throughout the year, and this constant temperature of the soil differs little from the mean annual ...

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.

Credit: Nature (2025). DOI: 10.1038/s41586-025-08701-z To better understand old planets, we must first learn how young planets behave. Since simulations of Earth's mantle focus mostly on present ...