Underwater expedition goes "where no other human being had been before"
The Atacama Trench lies in an area that has produced many earthquakes and tsunamis.
Atacama Trench
Tennessee prison system head to resign after failed Christa Pike execution
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Senior Trump administration officials met to discuss Iran war at Camp David
Medical plane missing near Nantucket with 6 on board, authorities say
Trump urges daylight saving time bill supporters to personally call Sen. Cotton
Iowa approves pricy foreign-owned steel plant project in swing district
Zach Bryan wears "Free Palestine" shirt during concert at Gillette Stadium
Jane Doe's attorney says "she was incapable of consent," alleges cover-up
More details emerge about FlyDubai co-pilot who tried to crash plane
