Visiting Poland this week, U.S. President Donald Trump pledged to boost exports of American liquefied natural gas (LNG) to Central Europe and take on Russia’s stranglehold on energy supplies. “America stands ready to help Poland and other European nations diversify …

Each year, wildfires around the world devastate thousands of square kilometers of forests and grasslands and make many people homeless. Some plants recover faster from fire than others, and scientists would like to know why. In Australia, they are experimenting …

Microplastics are pieces of plastic less than 5 millimeters in size. They make up part of the estimated tens of millions of tons of plastic that gets washed into the ocean every year. That could be hurting fish that eat …