Astronomers have revealed new evidence that there are not just one but four tiny planets circling around Barnard’s Star, the ...

Experts have claimed it could be the first time all planets including Earth have been captured in a single image.

For example, it’s a dusty red color. But, new research from the European Space Agency is challenging humanity’s understanding of why Mars is called the Red Planet. “Mars is still the Red Planet.

Seven planets will line up for a rare "planetary parade" today (Feb. 28) and you can watch it live online, beginning at 12:00 p.m. ET (1700 GMT).