The President's festivities to celebrate the US Semiquincentennial have been marred by low attendance, high prices, and ...

President Donald Trump spoke of historic achievements for the country's 250th birthday, ranging from Revolutionary War ...

Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing astronomers to identify the exploding cataclysmic variable GOTO0650 within ...

The US marks 250 years since the Declaration of Independence on July 4, with fireworks, concerts and parades planned across seven official host cities and more than 1,200 local events nationwide.