Why is a day on Venus is longer than a year? The atmosphere may be to blame.

Earth's atmosphere may be source of some lunar water

Jupiter's moon Io (which is about 0.28 Earths wide) has around 400 volcanoes, and over 130 are erupting at any given time. Only around 50 volcanoes erupt on Earth each YEAR.

Mysterious ceramic jars may actually be 900-year-old Crusader hand grenades