Top news for December 21, 2008

Read it in the app

Quantum computers checking themselves improves their accuracy

Office Air Quality Can Have Significant Impacts on Employees’ Cognition and Productivity

Link between ADHD and dementia across generations

'Dog-Bone' Asteroid Is Even Weirder Than We Imagined

Smoke sets off alarms on the International Space Station

Rocket launch today: SpaceX launching US spy satellite in morning liftoff

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

Ask your James Webb Space Telescope questions on Space Chat, LIVE TODAY!

SpaceX's Inspiration4 private all-civilian orbital mission: Live updates

Super-precise clock tech wins $3 million physics Breakthrough Prize