In 1972, the Soviet Union launched a pair of space probes destined for Venus. While the USSR’s Venera 8 successfully reached ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

The new moon occurs April 27, and a day later Venus and Saturn will make a close approach to each other (known as a ...