The largest known black hole jets, 23 million light years across, have been discovered in the distant universe. This pair of ...
Conservationists in Latin America, home to some of the most important ecosystems in the world, are persisting in their ...
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s ...
A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth's ...
An effort to understand Earth’s past climates uncovered a history of wild temperature shifts and offered a warning on the ...
Sea turtles, ancient creatures vital to marine ecosystems, face increasing threats from climate change and human activities.