Step back into the world of Ancient Rome, mapped out through Google Earth with unit placements that bring history to life. This video explores the city’s iconic landmarks, military formations, and the ...

Before Earth, there was “proto Earth,” a primitive hunk of rock that formed four and a half billion years ago. It was drastically different to the Earth we know today, heaving with lava and rock all ...

"This is maybe the first direct evidence that we've preserved the proto-Earth materials." Scientists have identified what may be the first direct evidence of material left over from the "proto-Earth," ...

Long before modern civilization, Giant Sequoias took root in the Sierra Nevada, growing into organisms so vast they seem almost otherworldly. Nearly wiped out by logging, they’ve made a stunning ...

Researchers discovered a new field of ancient tektites in South Australia, revealing a long-forgotten asteroid impact. These 11-million-year-old glass fragments differ chemically and geographically ...

Sulawesi, Indonesia, is a spectacular and singular place, blurring the boundaries between myth and ecology. This mountainous island is home to some of the most majestic and ancient sights on the ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping theories of how Earth gained its oceans. A billion-year-old impact may have melted ...

Because oxygen-bearing sulfate minerals trap and preserve signals from Earth's atmosphere, scientists closely study how they form. Sulfates are stable over billions of years, so their oxygen isotopes ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Learn about the chemical signature that may be the first evidence to come from proto Earth, the unruly first phrase of our planet's history. Jack Knudson is an assistant editor for Discover Magazine ...