Top news for December 21, 2008

Read it in the app

'We're looking at how a bear sees the world': From forest trails to 'Sims for Bears,' researchers are learning how grizzlies navigate a fragmented wilderness

Lonnie Thompson Has Died. He Dodged Avalanches to Preserve Climate History.

SpaceX launches mystery mission for US Space Force in gorgeous sunset liftoff from California (video, photos)

Charged states on carbon nanotubes keep their twist

APOD: 2026 November 7 – De Gerlache-Kocher Massif

Math Puzzle: Secret formula

Four Supermoons In A Row Are Coming — And Monday’s New Moon Starts It All

A Stinky Gas Seeping From The Bowels of Mars May Reveal The Planet Is Still Volcanically Active

Treating Sleep Apnea Could Improve Sperm Quality, Study Finds

Our Sun’s Undiscovered Stellar Nemesis Is Still Out There, Says Physicist