"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," the European Space Agency said in a statement. By New Year's Eve ...

Asteroids of this size impact Earth every few thousand years ... About 3,000 new near-Earth objects are found each year, but it’s been more difficult to find asteroids within the size range ...

Fossils and genetics are starting to point to life emerging surprisingly soon after Earth formed, when the planet was ...

The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size ...

Fossilized teeth from two ancient megafauna suggest they roamed Brazil 3,500 years ago. The find “opens the door to rewrite South American history.” ...

Lasers have revealed a 1,000-year-old sacred road near Chaco Canyon in New Mexico. Researchers say the road was part of an ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the ...

Deep subsurface microbes are highly diverse, challenging assumptions about life in low-energy environments. This discovery ...

The planet Earth is about 4.5 billion years old. Earth spins at 1000 miles per hour. It takes 24 hours to complete a full rotation. It's daytime on the side of the Earth that faces the Sun and ...

Scientists think a small rock discovered near Earth last August was hurled into ... that occurred sometime within the past tens of thousand years, according to a study published earlier this ...