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 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 ...

Diamonds may be the hardest naturally occurring substance on Earth, but space diamonds could be harder. Lonsdaleite, named after Dame Kathleen Lonsdale, a crystallographer and first woman fellow at ...

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 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 ...