Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers could have dramatic global consequences.

Part of the reason is a bureaucracy that is relentlessly making it harder to run the pumps. But the other reason is there ...

A preliminary investigation into the crash-landing of a Delta Air Lines flight in Toronto last month revealed the aircraft's alert system warned of a dangerously fast descent less than three seconds ...

Delta Flight 4819 received a “sink rate” warning seconds before hitting the ground and losing its right wing, causing fuel to ...

The Delta Air Lines plane that flipped upon landing in Toronto last month was descending too quickly, a preliminary report indicated Thursday, without identifying a cause of the crash.

Canada’s Transportation Safety Board issued a preliminary report on the Delta Flight 4819 that crashed and flipped upside ...

Delta Flight 4819 was descending at a rapid rate before crash-landing at Toronto’s Pearson International Airport on Feb. 17, ...

The Transportation Safety Board of Canada (TSB) has revealed early findings on the Delta Air Lines crash-landing at Toronto ...

The alert system on a Delta Air Lines jet that flipped upside down and burst into flames as it tried to land in Toronto last ...

TORONTO (AP) — A Delta Air Lines jet flipped on its roof ... and then next thing I know it’s kind of a blink and I’m upside down still strapped in,” he told CBC News.

The plane, a Bombardier CRJ-900 aircraft, was traveling from Jacksonville, Florida , to New York City, according to Delta.