Recent scientific discoveries suggest that Earth was once home to enormous trees, dwarfing today’s tallest redwoods. These ancient giants have left behind intriguing clues in the form of fossils and ...

Step back into the world of Ancient Rome, mapped out through Google Earth with unit placements that bring history to life.

Tides, rivers, and shifting coasts shaped Sumer, the world’s first urban society - offering lessons for today’s climate ...

Scientists uncovered water sealed beneath Canada’s crust for over two billion years. Salty, bitter and microbe-tinged, the ancient find could hold secrets about Earth’s past and life beyond.

The remaining bits were then integrated back in to Earth 2.0, where they remain to this day; an ancient Earth easter egg of some sorts.

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic ...

Many astrobiologists believe that icy comets colliding with a younger Earth may have "seeded" our planet with the organic molecules and water needed for life to begin. The Rosetta orbiter also ...

Ancient Atmospheric Records From rock records, scientists know there wasn’t much oxygen at Earth’s surface during the Archean Eon, a period stretching from 4 billion to 2.5 billion years ago.

Ancient space dust may reveal mysteries of Earth's early atmosphere A new paper challenges the widely held belief that there was little to no oxygen in Earth's atmosphere 2.7 billion years ago.