Far below the deepest boreholes, Earth’s core appears to keep its own rhythm, a slow magnetic throb that repeats roughly ...
Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth.
The study of polar motion and Earth's rotation dynamics encompasses the investigation of subtle shifts in the orientation of the planet's rotation axis relative to its crust. These motions are ...
Ancient Scottish rocks prove Earth had seasons and climate cycles even during Snowball Earth period despite near total ...
Maletsunyane Falls in the Lesotho Highlands shows how a river can erode deep valleys into uplifted lands. Jacques Marais via Getty Images Considering how long humans have been on Earth, it’s ...
Earth’s magnetic field can linger in a weakened, unstable state for tens of thousands of years before fully flipping.
Astronomers have long known pre cisely how fast the earth moves as it cir cles around its own star, the sun (66,500 m.p.h.), and how fast the solar system revolves around the core of its own galaxy, ...
Your motion through the universe is extremely complicated, so let’s figure it out! Perhaps you’ve seen videos of how the planets of the solar system move through the universe in this cool helix. Not ...
You wouldn’t personally notice it, though. While the wobble is pretty big, it takes a long time to play out. Over a human lifetime, the effect is so small as to be unnoticeable. But over humanity’s ...