It may be the smallest planet in the solar system but Mercury could be hiding a big secret. A layer of diamond beneath the crust of Mercury could be up to 10 miles (18km) thick, new research suggests.

Explore the world of exoplanets—distant planets that captivate scientists. Visit ExtremeTech to learn what makes them so ...

The solar system's tiniest planet may be hiding a big secret. Using data from NASA's MESSENGER spacecraft, scientists have ...

A diamond-bearing space rock that exploded in Earth's atmosphere in 2008 was part of a lost planet from the early Solar System, a study suggests. The parent "proto-planet" would have existed ...

There may be an undiscovered planet in the outer solar system whose presence is revealed by the strange orbit of objects beyond the eighth planet Neptune. The tantalizing prospect of a ninth ...

Watch this video to find out more about the Earth, planets in our Solar System and other planets far off in outer space. From up here on the International Space Station I get a great view of Earth.

Scientists are interested in depositing diamond dust into the atmosphere in order to reflect sunlight and cool down the planet ... are not sold on the idea of solar geoengineering at all because ...

Over the last decade, this new magnetometer—called a geo-quantum diamond ... our solar system’s formation, our protoplanetary disk had transformed into millions of asteroids, comets, planets ...

Some experts argue that we need active measures to cool the planet and prevent further catastrophic changes to global weather patterns. One potential solution? Solar geoengineering — a method ...