The avalanche of plastic waste that’s rolling over land and sea has inspired numerous potential solutions. Some involve inventing our way out of the mess by creating new kinds of natural materials that will harmlessly degrade if they’re thrown away. …

Amelia Earhart and navigator Fred Noonan disappeared more than 80 years ago, on July 2, 1937, during the second to last leg of their around-the-world flight. After taking off from Lae, New Guinea, in Earhart’s Lockheed Electra 10E, the pair aimed …

With most of the ocean seabed unmapped, Earth’s last frontier of terrestrial discovery has become a focus of activity for explorers, scientists, cartographers and environmentalists. Ask any explorer what there is left to explore and, apart from the vast cosmos …

By Madeline Bankson New alternative mobility programs are shifting low-carbon transportation possibilities to a higher gear. Could these small bikes and scooters have a big impact?   Across the United States, smart bike and scooter sharing services are taking off. …

Something odd happened in the oceans in the early 20th century. The North Atlantic and Northeast Pacific appeared to warm twice as much as the global average, while the Northwest Pacific cooled over several decades. Atmospheric and oceanic models have …