Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Amazon Prime Day is back for day three, and we're finding all the best Prime Day deals on celebrity-recommended products.

U.S. Secretary of State Marco Rubio briefly spoke to his Russian counterpart Sergey Lavrov at the start of a meeting of East ...