Robotic Arm launched into space

The European Robotic Arm (ERA) is on its way to the International Space Station after being launched on a Proton rocket from the Baikonur Cosmodrome, in Kazakhstan, on 21 July, 2021.  The 11-m-long robot is…

Why Does Mercury Have a Big Iron Core?

Tohoku University researchers have pinpointed the Sun’s early magnetic field as the reason behind variations in the rock and metal components in the four rocky planets’ cores: Mercury, Venus, Earth and Mars. Scientists from Tohoku…