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Laser technology is being used to more accurately measure mountain snowpack — crucial information for farmers and water managers in drought-stricken areas like the Colorado River Basin.

The Wall Street Journal is out with its list of the best large and midsize airports of 2023.

The congressional committee investigating the Jan. 6 insurrection wrapped up its hearings Friday.

There is a winner in one of the country's biggest middle school science competitions: the Broadcom MASTERS. Ishana Kumar looked into how retinal fatigue may play a role in seeing "imaginary colors."

Mexico knows how to fight infectious diseases. Tackling a chronic condition like diabetes is a new — and daunting — challenge.

At the GOP debate in Miami, five Republicans sparred over top issues include the Israel-Hamas war, Ukraine, China, abortion and Social Security. Here's what you need to know.

Also: Winter storm leaves behind a mess in the Northwest; News International reportedly pays some targets of its snooping; insurgents kill dozens in Southern Afghanistan.

Also: Helicopter crash kills six U.S. Marines in Afghanistan; Afghan soldier kills four French troops; search of Costa Concordia suspended.

Also: Obama, Romney campaigns continue to spar over tax returns; U.K. and Sweden criticize Ecuador for giving asylum to Assange.

Also: Skype to make chats and user data more available to police; Obama and Romney differ over gun control; Chinese politician's wife charged with murder.