Introduction to Green Energy and Rare Earths Green energy is often hailed as the beacon for a sustainable future. Solar panels, wind turbines, and electric vehicles promise reduced carbon emissions ...

A pair of huge canyons on the Moon's far side were created when an asteroid passed over the lunar south pole and then slammed ...

There are two types of eclipses - a lunar eclipse, when Earth's shadow obscures the moon and a solar eclipse, which takes place when the Moon blocks the sun from view, according to NASA.