Mighty Jupiter moon Ganymede pictured in close-upNasa's Juno probe makes the closest pass of the Solar System's largest moon in more than 20 years.news.yahoo.com
How can some planets be hotter than stars? We've started to unravel the mystery.They broadly form two categories: the small rocky planets in the inner Solar System and the cold gaseous planets located in the outer part. With the discovery of exoplane...space.com
In 1st, NASA prepares to fly helicopter on MarsNASA is getting ready for yet another historic flight: A 4-pound helicopter is being prepared to fly on Mars. During a news briefing on Tuesday, NASA officials and engine...
