Top news for December 21, 2008

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Challenging Einstein’s greatest theory with extreme stars

Fecal Transplant Discovery Could Improve Care for Life-Threatening Infections

Rare December Tornado Outbreak Was a 'Worst-Case Scenario'

Super-bright stellar explosion is likely a dying star giving birth to a black hole or neutron star

Doomsday glacier in Antarctica is coming loose and may be gone by 2030

The Tornado - Climate Change Debate Is Distracting - 5 Questions That Should Be Asked

On this day in space! Oct. 14, 1947: Chuck Yeager smashes the sound barrier.

Moon facts: Fun information about the Earth's moon

The best sci-fi movies and TV shows to stream on Netflix in April

Where to see the northern lights: 2022 aurora borealis guide