In a field dominated by men, a woman provided the key to the answer for a truth we now hold as self-evident. Michael Paine takes the package for a somewhat frightening spin. Smaller than Saturn, planets hint at possibility that Earth-sized planets exist. Just when you thought it was safe to go outside, another nasty effect. The latest thinking on Jupiter's moon.
Voyager helps prove shock wave at edge of solar system.
Whirling winds responsible for curious dark streaks seen on Mars. Multimedia like Rand McNally never imagined. May improve understanding of galaxy formation. Latest research shows swelling sun will likely make toast out of Earth. Claims by Russian scientists of ET evidence is doubted by other experts.