MIT fusion scientist Nuno Loureiro was fatally shot at his Brookline home on Dec. 15, 2025; investigation ongoing, no suspects.

Flu cases surge in U.S. and Canada, driven by H3N2, with high hospitalizations and deaths; officials urge vaccination.

A small plane crashed in central Mexico, killing at least seven, with the cause still unknown.

Four killed, 25 injured in multi-vehicle crash on India’s Delhi-Agra Expressway amid fog.

Japan plans to restart its largest nuclear plant, Kashiwazaki-Kariwa, 15 years after Fukushima, citing safety upgrades and energy needs despite public skepticism.

The Trump administration plans to shut down a key Colorado climate research lab, raising concerns about political influence on science.

A levee breach on the Green River in Tukwila caused flash floods, prompting evacuations for 7,000 people.

Astronomical winter began on December 21, 2025, with the winter solstice, the shortest day of the year in the Northern Hemisphere.

A small plane crash at Statesville Regional Airport killed seven, including former NASCAR driver Greg Biffle and his family.

Colorado faces wildfire risk from strong winds and dry conditions, prompting possible preemptive power outages.