Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

It may be fun to watch astronauts float around inside the International Space Station, but the absence of gravity has its ...

We finally know where two giant blobs in Earth's middle layer came from — and they're a mismatched pair. These strange regions in Earth's mantle, known as "large low velocity provinces" (LLVPs ...

Powering spacecraft with solar energy may not seem like a challenge, given how intense the Sun’s light can feel on Earth.

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long ...

The discovery that inert helium can form bonds with iron may reshape our understanding of Earth’s history. Researchers from ...

One famous experiment conducted in 1952 by American chemists Stanley Miller and Harold Urey provided a possible explanation: ...

Life may have first emerged on Earth after crashing waterfalls or breaking waves sparked tiny “microlightning” discharges in water droplets, according to a new study. The research, published ...

Primordial helium from the beginning of the solar system may be stuck inside Earth's solid core, new research suggests. The findings could have implications for a long-standing debate about how ...