400-Million-Year-Old 'Excalibur' Seaworm Found in Australia, With Full Suit of Armor

Newfound rocky exoplanet has a year less than 8 hours long

Extremely dense planet with an enormous iron core has an 8-hour year

America needs to rethink and reduce the way it generates plastics because so much of the material is littering the oceans and other waters. The United States—world’s top plastics waste producer—generates more than 46 million tons a year, and about 2.2 billion pounds ends up in the world’s oceans.