The Daily Galaxy on MSN

This giant rocky planet is denser than Earth and orbiting a star in a way scientists never expected

Astronomers have found Gliese 523b, a bizarre exoplanet that combines a huge size, extreme density and a highly unusual orbit ...
AOL

Even planets have their (size) limits

A planet-forming disk made from rock and gas surrounds a young star. NASA/JPL-Caltech/SwRI/MSSS/ Gerald Eichstädt /Seán Doran Scientists have discovered over 4,000 ...