Dwarf Planet

Every single object in the solar system, from the gargantuan sun to the tiniest speck, exerts a gravitational pull on everything else. The solar system is basically a massive game of tug of war, and all of the yanking balances out at a specific point: the center of mass, or "

Venus rotation and orbit are unusual in several ways, Venus is one of just two planets that rotate from east to west.

 Only Venus and Uranus have this "backwards" rotation. It completes one rotation in 243 Earth days — the longest day of any planet in our solar system, even longer than a wh...

"More than half a century after Fermi asked his question, we have still heard nothing. Despite our communication systems, no one has called. The more we explore our local neighborhood, the lonelier it seems. No concrete signs of any life, not even the simplest bacteria, have been found on the Moo...