Why did a bunch of asteroids hit the Earth billions of years ago?
The first cells of life on Earth had a lot to contend with. Conditions were harsh and unpredictable. The air was thick with volcanic gases.…
The Encyclopedia of Science's Frontier
The first cells of life on Earth had a lot to contend with. Conditions were harsh and unpredictable. The air was thick with volcanic gases.…
Scientists study organic material from the Chicxulub crater to identify the microbes that lived within it, to understand what happened to…
An asteroid recently came blazing through our solar system and it appears to be an interstellar visitor. The asteroid, dubbed A/2017 U1,…