As much as 45 oceans’ worth of hydrogen may be in Earth’s core, scientists reported, suggesting most of Earth’s water was ...

Scientists suggest that huge reserves of hydrogen inside the Earth may have been key in the formation of water.

French novelist Jules Verne delighted 19th-century readers with the tantalizing notion that a journey to the center of the Earth was actually plausible. Since then, scientists have long acknowledged ...

Recent discoveries have revealed that Mars’ core may be heating up unexpectedly, challenging long-held assumptions about the Red Planet’s geology. As scientists delve into the data collected from ...

A new study disputes the prevailing hypothesis on why Mercury has a big core relative to its mantle (the layer between a planet’s core and crust). For decades, scientists argued that hit-and-run ...