Harrowing video showed the doomed Big Apple sightseeing helicopter fall out of the sky into the Hudson River on Thursday as ...

Faster migrations could mean arriving in the ocean at the wrong time, or exposing salmon to dangers they’d normally avoid.

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

Emerald Cruises is launching three new ships by 2027. Emerald Cruises plans to launch two more ocean-going yachts by 2027 and ...