Earth Day began as a protest in 1970, but its meaning has evolved. Here’s how it changed - and what it represents today.

Earth’s spin is not as steady as it looks. As ice melts and groundwater is pumped from deep aquifers to the surface, the planet’s mass is shifting, and with it the position of the rotational axis that ...

Scientists have seemingly settled long-standing arguments about whether the components of Earth originated from the inner or ...

Earth is not a quiet rock in space. Deep inside, there is a molten interior that stays extremely hot, shifting slowly and ...

Researchers discovered that continents don’t just split at the surface—they also peel from below, feeding volcanic activity in the oceans. Simulations reveal that slow mantle waves strip continental ...

For the first time, scientists have watched a subduction zone literally fall apart beneath the ocean floor. Using advanced ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

A nearby Earth-sized planet offers a rare chance to study how atmospheres survive or disappear on rocky worlds.

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...