Though we can't feel it, Earth zooms through its orbit at an average velocity of 18.5 miles a second. During this circuit, our planet is an average of 93 million miles away from the sun ...

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

4. It is truly a spectacular, global event - Every year, hundreds of millions of people, famous landmarks, local businesses and community groups across the world take part in Earth hour events and ...

Brr! But in sunlight near Earth, temperatures can swing to a boiling 250 degrees Fahrenheit. That's why astronauts wear reflective white spacesuits. Unimpeded, light can move at 299,792,458 meters ...

An asteroid capable of flattening a mid-sized city could potentially collide with Earth eight years from now ... He shared key facts about the asteroid with CBS News during the below conversation ...

He shared key facts about the asteroid with CBS News during the below conversation, which has been edited for clarity. When would the asteroid hit Earth? This asteroid passes us by every four years.