Millions of years before blue oceans and wandering continents, the Earth in its early days was a molten, tumultuous planet — ...

Hidden deep in ancient rocks, scientists have found the surviving traces of Earth’s first form—unchanged for 4.5 billion ...

Imagine creatures so massive they could peek into a fourth-story window without even stretching their necks. Titanosaurs were ...

Exoplanets are planets outside Earth's solar system. In 1995, a gas giant named 51 Pegasi b, which orbits a star similar to Earth's sun, etched its name in history as the first exoplanet ever ...