April’s planetary parade has fewer planets. Only four will line up: Venus, Saturn, Mercury and Neptune. April's parade of ...

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

A new study indicates that Mercury's core-mantle boundary (CMB) may possess a diamond layer that extends up to 18 kilometers ...

Starting tomorrow and continuing through April 25th, the planet Mercury will be visible to the naked eye in our sky.

If somehow you missed the astrological memo the TL;DR is: four times a year messenger planet Mercury begins ... If you feel like you’re low on creativity, feeling detached from your partner or even ...

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University ...

Some of the planets — like Venus, Jupiter and Mars — were relatively easy to spot because of their great brilliance. Others, like Mercury and ... where in the sky to look.