Two Gold Coast adventurers in Australia have had a rare close encounter with humpback whales off South Stradbroke Island. (CNN/Seven Network Australia)

Adventurers swim with humpback whale and calf

A mother humpback whale and her calf approached the swimmers, diving deep out of sight and then rising slowly next to their new friends.

The volcano erupted without warning late Saturday morning and caught hundreds of hikers on the volcano. (NBC/RTV/CNN)

Sudden volcano eruption kills 36 in Japan

The volcano erupted without warning and caught hundreds of hikers on the volcano. Rocks rained down on them and a suffocating ash cloud enve…

Global Ready Challenge 3D art at Barton Creek Square Mall (Malia/Global Ready Challenge website)

Colorful 3D art pops up throughout Austin

You might see some intricate art popping up in several spots throughout Austin – some so mesmerizing you’ll become a part of the piece itsel…