Mars-sized planetary impact may have seeded ingredients for life on Earth
New insights into how life appeared on Earth -- but also possibly on other planets.
New insights into how life appeared on Earth -- but also possibly on other planets.
Crash boom bang! Our planet and another protoplanet may have collided head-on in their early history.
Chinese researchers say their lunar rover found a new type of lunar rock unlike anything the Americans or Soviets had ...
Billions of years ago, our ancient planet collided with a Mars-sized object called Theia. The impact released tremendous amounts of ...