When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what they could mean. Four years of underwater research revealed a lost world.

Walleye, pike and perch are the most targeted species by ice anglers. As in open water season, walleye get the lion’s share ...

While NASA was trying to put a man on the moon, the Navy was quietly conducting a series of tests to see if humans could live ...

Swimming in the Arctic Ocean had been on my bucket list for years, and I finally got the chance to make it happen.

Bond, who stood on the barge often smoking a pipe, communicated with the aquanauts through an intercom and watched them through an underwater camera ... Cannon's diving rig and the diver ...

Oil rig workers caught the fireball on camera. It made international news ... He found that irregular outflows of mud sporadically changed the underwater topology. They often erupted explosively ...