Floating to the North Pole in a Hydrogen Balloon Isn't as Good an Idea…

Between the ship-crushing ice floes, polar bear attacks and maddening quiet, exploring the Great White North in the 19th Century was not a recommended endeavor. But still hundreds of intrepid adventurers tried—and many died. But one Swede thought he had the answer: simply float above the tundra in a gas-filled… » 2/02/12 5:00pm 2/02/12 5:00pm

Mars Lander Can Move Arm Now, Probably Just Slept On It Wrong

Putting rest to fears that the Phoenix Lander might be DOA, the lander wagged its robotic arm on Thursday. NASA was worried that a stuck piece of plastic casing could prohibit the 7.7 ft titanium appendage from extending, making it impossible for the Phoenix to carry out crucial drilling experiments. » 5/30/08 8:41pm 5/30/08 8:41pm