New research led by Yale University scientists suggests that a rocky planet twice Earth’s size orbiting a nearby star is a diamond planet. “This is our first glimpse of a rocky world with a ...

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 ...

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 ...

Using data from NASA's Hubble Space Telescope, astronomers analyze the atmosphere of a super-Earth for the very first time. Freelancer Michael Franco writes about the serious and silly sides of ...

Tests on olivine hint that water-rich exoplanets could generate H2O internally, possibly explaining ocean worlds and even some of Earth’s early water.

A layer of diamonds up to 18 kilometers (11 miles) thick could be tucked below the surface of Mercury, the solar system's smallest planet and the closest to the sun, according to new research. The ...

A massive star has been transformed into a much smaller planet made of diamond, say experts. AUSTRALIAN-LED SCIENTISTS have discovered a binary planet they believe is largely made of diamond. The ...