New evidence challenges the idea that Earth and Mars formed the same way
Earth and Mars may have formed through surprisingly different mixtures of pebble accretion, planetesimal collisions and giant impacts,…
Ancient impact with Theia may have brought water and life to Earth
Earth’s story may have hardened into place almost as soon as the Solar System began. That is the…
Planetary scientists reveal where Earth’s water and building blocks came from
For years, planetary scientists have argued that some of the material that built Earth must have drifted in…