NASA has confirmed a 'Super-Earth' planet that may have surface water
Scientists used 'Star Wars' to explain why this mysterious planet still exists
Mars, Venus and the moon will align on the summer solstice
How to view the weekend's 5-planet alignment
Send your name to Mars with this NASA program
When to see the brightest planets in the sky in February
How to see Saturn and Jupiter on the winter solstice—closer than they've been in 350 years
How to see 5 planets in the night sky this month
Here's how you can see Venus and Saturn 'kiss' in a rare celestial event
Jupiter, Saturn and the moon will line up in the night sky this week
This Ice-Filled Crater On Mars Looks Like A Skating Rink
This Is What Mars Sounds Like, According To NASA's New Robot
Mars will be close to Earth on July 31
Scientists prove Uranus smells like rotten eggs—No, seriously