Ice can accumulate on planes at high altitudes and break away as they descend into warmer air. Additionally, while aircraft are not permitted to eject waste mid-flight, leaks can occur, leading to the ...

Winter in Alaska has waterfalls frozen mid-cascade, ice caves so blue they look unreal, and lakes so clear you can skate ...

"The change of seasons causes surface melting far inland from the coastal ice front," glaciologist Christopher Shuman said.

City officials notified the Federal Aviation Administration, suggesting there are suspicions it was a rare “blue ice” ...