The substance can contain up to 1.5 percent water, and if the ringwoodite under the surface has just one percent water in its ...

Often imagined as the crown jewel of future megastructures, a Dyson swarm—an orbiting fleet of solar collectors around the ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

The mystery surrounding an alleged "underground city" beneath Egypt's pyramids has deepened, as scientists revealed new details about what could be hidden more than 4,000 feet below the earth's ...

Earth appears to be a chill blue planet, but deep down, it’s really a metalhead. Its outer core is mostly molten iron (and ...

and the discovery suggests there could be huge amounts of helium in the Earth’s core. This could challenge long-standing ideas about the planet’s internal structure and history, and may even ...

Despite having been studied from every possible point of view and angle, the Earth will remain a mystery to most people. Studies of its structure are incomplete, especially after t ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

Iron can form compounds with helium at pressures as low as 5GPa – about 50,000 atmospheres – researchers in Japan report.

The planet WASP-121b is extreme. It's a gas giant almost twice as big as Jupiter orbiting extremely close to its star–50 times closer than the Earth does around the sun. WASP-121b is so close to ...