Here you can see a composite satellite photo of two cyclones hitting northern Australia within six hours of each other this week. In the upper left is Cyclone Lam, and in the lower right is Cyclone Marcia. It's beautiful but also terrifying. Read More >>
It took just ten months for NASA's water-seeking satellite to traverse the 442 million miles between Earth and Mars. And, now that it has successfully entered stable orbit around the red planet. Here's some of the key things you need to know about the Mars-Orbiter.