The MBB Firefly was a Cold War-era German stealth fighter jet project shrouded in secrecy. With a design rivaling the ...

The president plans to order new icebreakers to help compete with Russia and China, but the first one the U.S. has built in decades isn’t expected to be finished until after 2030.

The world’s biggest iceberg — more than twice the size of London — could drift toward a remote island where a scientist warns ...

Million-year-old air preserved in ancient ice holds clues to a mystery that has stumped scientists for decades.

We found that from 2016 to 2021, there were significant increases in crevasse volume across fast-flowing sectors of the ...