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 inner core, once rotating faster than the surface, has begun to slow, impacting day length by fractions of a second. This subtle shift, detected through seismic wave analysis, reveals complex ...

Far below the deepest boreholes, Earth’s core appears to keep its own rhythm, a slow magnetic throb that repeats roughly ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers from a renowned U.S. university captured a slow slip earthquake in motion. It was captured during the act of releasing ...

Scientists at the Florida Institute of Technology recently captured a beautiful lightning storm using a new high speed camera. The lightning in this video was recorded at 7,000 frames per second (fps) ...

Earth’s magnetic field is easy to forget. It doesn’t make noise, it doesn’t flash, and it doesn’t ask for attention. Yet it quietly surrounds the planet, guiding compasses, protecting satellites, and ...

Scientists have peered into the early days of the universe, when it was about 1 billion years old, and discovered that things moved in slow motion compared with now. The finding supports Albert ...