US ambassador to Israel expected to depart post this summer, sources say

Biden to meet with congressional leadership as threat of national debt default looms

McCarthy-Biden showdown is about much more than the US national debt

Sudan crisis: Family tells of 'nightmare' of being stranded

Webb telescope spots three debris belts around luminous star Fomalhaut

Why art historians are reframing 19th-century 'supermodel' Elizabeth Siddal

Iran smuggled weapons into Syria using earthquake aid convoys, officials believe

How to build a giant? Sauropod dinosaurs did it 36 different ways

Authorities search for suspect after shooting on a DART train in Dallas leaves 1 dead and 2 others injured