Today In History For February 23rd

Highlights of this day in history: The American flag is raised on Iwo Jima during World War II; Start of the Persian Gulf War's ground offensive; Dolly the cloned sheep; Comedian Stan Laurel dies; Carlos Santana wins big at the Grammys.

The Solar System In A Whole New Light

One Star, eight planets, and a myriad of moons, comets, and asteroids. This is the Earth's local neighborhood known as the Solar System. Despite studying this system for centuries, astronomers still yearn to know much more. NASA's Chandra X-ray Observatory is providing new insight and uncovering new mysteries about objects of all sizes and across distances throughout our Solary System.

Cygnus X-1 In 60 Seconds

Over three decades ago, Stephen Hawking placed, and eventually lost, a bet against the existence of a black hole in Cygnus X-1.

Tarantula Nebula In 60 Seconds

30 Doradus is a place where stars are born literally. This region, which is also known as the Tarantula Nebula, is located about 160,000 light years from Earth.

Reality Check: Why Vote? Dirty Dealings In An Ohio GOP Race

Ben takes a look at how a seemingly unimportant race in Ohio says a lot about how establishment Republicans might be trying to hold onto power