BOSTON (Reuters) - Astronomers have discovered a new type of rocky planet beyond the solar system that weighs more than 17 times as much as Earth while being just over twice the size, scientists said Monday.
A giant rocky planet roughly twice the size of Earth and with nearly 20 times as much mass has been spotted in orbit around a faraway star. The planet is the first to be classed as a "mega-Earth" – an
A soldier whose arm was blown off by a rocket-propelled grenade in Afghanistan has become the first person in the UK to master a prosthetic limb controlled by thought. Corporal Andrew Garthwaite, 26, spent