Earth is often described as a circle or an oval, but it is neither. As the planet spins more than 1,000 miles per hour at the equator, it develops a slight bulge around its middle. The result is what ...

When you look at photographs of Earth from space, the planet looks like a blue marble, with patterns of clouds lying on the surface of the marble. It seems as if Earth's atmosphere is incredibly thin, ...

More objects are being launched into space than ever, and most are headed for low Earth orbit. This region of space has become increasingly crowded with launches from SpaceX and others that have ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Earth’s core is pretty dynamic. Its spin speeds up and slows down ...

While mid-October has been designated Earth Science Week around the world, every week is Earth Science Week at NASA. To mark its continuous dedication to studies of Earth’s land, sea and air, NASA ...

Earth's core cannot be made just of iron — it also appears to contain carbon. And our research suggests it may contain a bit of oxygen and possibly silicon as well. When you purchase through links on ...