Sen, a company based in London, provides views of Earth from orbit, with the hopes of making an experience usually reserved ...

The Precambrian encompasses 86 percent of the history of Earth. As its name implies, this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian ...

These "impactors" may have triggered a series of reactions that formed zircon, the oldest mineral on Earth. The birth of Hadean zircon Previously, scientists had guessed that zircons were created ...