Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Researchers have found that the thick and hazy atmosphere enveloping Saturn's largest moon, Titan, behaves in a very peculiar ...

Every year, Earth follows a familiar pattern of seasonal changes: As summer rolls around in the Northern Hemisphere, winter creeps in in the Southern Hemisphere, and vice versa. But do other ...

Jupiter has a mass 2.5 times greater than the rest of the planets combined. In the infant years, it was 2.5 times its current ...

He was not involved in the study, but said his calculations suggested the celestial body would be on a much greater tilt than the ... to it by gravity: the planets Mercury, Venus, Earth, Mars ...

Inner planets are the four planets closest to the Sun: Mercury, Venus ... model shows that during periods of increased axis tilt, hydrogen loss rates were up to ten times higher than present ...

When Mercury trines Pluto retrograde on May 27, you could have an unmistakable sense of “I can’t unsee this,” where you ...

Mercury in Taurus will square with Mars in Leo, creating a battle between your words and your actions. This square could ...

While Mercury is often associated with havoc-wreaking retrogrades, the messenger planet deserves more credit for coloring our mental energy and thought processes, as well as how we communicate and ...

The solar system's smallest planet is quickly approaching superior conjunction, so catch it in the morning sky while you can.