Move over, Hope Diamond. The most famous gems on Earth have new competition in the form of a planet made largely of diamond, astronomers say. The alien planet, a so-called "super-Earth," is called 55 ...

Scientists at Yale University have discovered a nearby super-Earth that is a "diamond planet" -- a planet that has a mantle made of graphite and diamond. The planet, called 55 Cancri e, is just 40 ...

A planet of diamonds sounds like a fairy tale but 55 Cancri e is no fantasy. Located 40 lightyears from Earth, this ...

We’re going to go out on a limb here and suggest that the new planet discovered Australian scientists should be named “Lucy” — because no other name seems right for a planet made of diamonds.

It would appear that a planet-sized eruption of volcanic heat has occurred over the course of several years on the planet super-Earth 55 Cancri e. There a very hot, very life-unfriendly environment is ...

Astronomers say they have discovered a planet twice the size of Earth that is made mostly of diamond. Planet 55 Cancri e orbits a star similar to our sun 40 light years away in the constellation of ...

Researchers have discovered a diamond planet 40 light years away from our solar system. Led by postdoctoral fellow Nikku Madhusudhan of the Yale Physics Department, the research team has proposed that ...

LONDON — Forget the diamond as big as the Ritz. This one’s bigger than planet Earth. Orbiting a star that is visible to the naked eye, astronomers have discovered a planet twice the size of our own ...

A girl's best friend may have just gotten a whole lot bigger with the news that an international research team has discovered a small planet they think may be made of diamond. Although the planet is ...

New research by Yale University scientists suggests rocky planets orbiting other stars may hide thick layers of diamond beneath the surface. “A carbon-rich planet likely forms from a material called ...

Scientists at Yale University have discovered a nearby super-Earth that is a "diamond planet" -- a planet that has a mantle made of graphite and diamond. The planet, called 55 Cancri e, is just 40 ...