The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

In particular determining the nature of the planets found in terms of their mean density, age and atmospheres is key to place our Earth into context and identify whether Earth is unique or not. The ...

Corellia's shipyards and Mon Cala's underwater cities add depth to the Star Wars universe ... a jungle planet that happens to be the native planet of the Wookies. They had built their houses ...

Bring the Moon and planets into closer view, spot stunning star clusters and observe distant galaxies and nebulas with your own eyes — you can even photograph your subject with a smart telescope.

all matter and energy in the universe was at a point of infinite density and temperature. It then expanded rapidly, and eventually stars, galaxies and planets formed. This expansion was the ...

The mystery arose more than 20 years ago, when the Hubble Space Telescope spotted the universe's oldest known planet, which formed earlier in the universe's history than scientists thought was ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during ... [However,] resulting debris from their disruptions is not easily discernible in the modern ...