A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

The Supreme Court just wrapped up a term that yielded significant rulings in cases involving race and discrimination that ...

Supreme Court rulings, culture-war politics and renewed nativism reveal a republic still wrestling with the question of who ...

Immigration and Customs Enforcement arrested 10,000 people over a five-day period at the end of June, marking a major push by ...