Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living today are severely threatened by overfishing and the loss of their habitat.
Earth’s oceans caught a fever in March 2023 that has yet to break. Since then, the bathwater-like conditions have killed corals in a record-breaking mass bleaching event, fueled hurricanes, and ...
If they do exist, scientists think they're good candidates to support microbial life. Hycean worlds are hypothetical, but there is some evidence that they exist. The Kepler mission detected many ...