Top news for December 21, 2008

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NASA delays launch of DART asteroid defense mission

Mars Video Reveals Perseverance Rover's Daring Touchdown

Basic cell health systems wear down in Huntington's disease, novel analysis shows

Cre-controlled CRISPR: Conditional gene inactivation just got easier

Mutation test can quickly reveal which coronavirus variant you have

New Material Breakthrough for Stable High-Voltage Long-Life Solid-State Batteries

The Ice Caps Are Melting. Will They Ever Disappear Completely?

California coronavirus strain may be more infectious—and lethal

There Could Be a Dramatic Hidden Impact of Not Having a Regular Bedtime, Study Shows

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