Stargazers will be treated to a dazzling six-planet "alignment" this January. A planetary alignment, or a "planet parade" according to the internet, will grace our night sky just after dusk ...

The Red Planet will be at its closest point to Earth, also known as perigee, on Jan. 12 and will be exactly opposite the sun ...

Six planets will be in alignment this weekend, with four of them shining bright in one sweeping view. What to know about the ...

Some of the more notable debris on Mars includes pieces of the Viking landers, heat shields, pieces of insulation and, more recently, parachutes and backshells from rover missions Curiosity and ...