A hidden battle of torques 3,000 miles beneath your feet decides whether today runs long or short.

Scientists may have solved why the length of Earth’s day changes by a few milliseconds over decades. Subtle shifts in the ...

The new map highlights six regions that had been poorly sampled by PKP precursor studies and now appear to be promising ...

Two Canadian researchers may have discovered the source of the multi-decades-long changes in Earth's length of day.

What the research is about Earth's inner core is thought to consist mainly of iron, yet many questions remain about its ...

But the Z machine is crucial for Clark’s work. She suggests that during the early, chaotic days of Earth’s formation, melted ...

Add Yahoo as a preferred source to see more of our stories on Google. We see a. black hole illustration. It is surrounded by circles of blue and pink from its superheated accretion disc. To Earthlings ...

Scientists proposed a novel idea on Wednesday that could solve two of the world's mysteries at once—one that passes over our heads every night, and one that sits far below our feet. The first mystery ...

Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, according to a new study. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside ...

To Earthlings gazing into space, our solar system appears to be surrounded by billions of stars in the Milky Way. But if we look even further out, would it be possible to find evidence that we were in ...