natural wonders

Winter solstice 2019

For six months now, the days have grown shorter and the nights have grown longer in the Northern Hemisphere -- but that's about to reverse itself.

Giant pumice stone could help heal Australia's Great Barrier Reef

A "raft" of floating pumice rock the size of Manhattan is drifting towards Australia, bringing along with it new marine life that could help with the recovery of the Great Barrier Reef's corals, half of which have been killed in recent years as a result of climate change.

Science could save barrier reefs

The Florida Aquarium in Tampa, Florida, says they've made scientific history as a group of coral has successfully reproduced two days in a row for the first time in a lab setting.

19 places to visit in 2019

Whether you want to rest on a beach in the Caribbean, hike the world's most famous canyon, explore ancient ruins, eat world-famous cuisine or learn more at historically significant sites this year, CNN Travel has the right spot for you.