A bipartisan congressional delegation traveled to Denmark to try to deescalate rising tensions. Just as they were finishing, President Trump announced new tariffs on the country until it agrees to his plan of acquiring Greenland.

New research is underway to test whether a combination of high-intensity interval training and generic medicines can slow down aging and fend off age-related diseases. Here's how it might work.

Competitions will be hosted at 25 venues spanning an area of more than 8,000 square miles. Here's what's happening at each of the four main clusters.

Some of the 2025 policies that have been implemented include cracking down on immigration and dismantling the Department of Education.

The high-speed rail collision in southern Spain happened Sunday when the tail end of a train jumped the track, causing another train to derail. Authorities say the impact was so violent that bodies were found hundreds of meters away.

On Saturday, the UNGA celebrated its 80th birthday in London. Speakers including U.N. Secretary-General António Guterres addressed global uncertainty during the second term of President Trump.

Snow has fallen in Florida for the second year in a row.

In a joint statement, leaders of eight countries said they stand in "full solidarity" with Denmark and Greenland. Denmark's Prime Minister Mette Frederiksen added: "Europe will not be blackmailed."

Syria's new leaders, since toppling Bashar Assad in December 2024, have struggled to assert their full authority over the war-torn country.

The move comes after President Trump again threatened to invoke the Insurrection Act to control ongoing protests over the immigration enforcement surge in Minneapolis.