The evolution of planet Earth over 4.5 billion years. Dive into the most dramatic events in Earth’s 4.5-billion-year history, from its birth to the emergence of humanity.

Earth's mass took hundreds of years to estimate, and even now, ... Knowing the mass and distance between the spheres, Cavendish calculated that G = 6.74×10−11 m3 kg–1 s−2.

Metallic objects found on ocean floor during 2-week mission. Led by Loeb, the team of scientists and researchers hired EYOS Expeditions and embarked in June aboard a boat called the Silver Star ...