Can small earthquakes predict where oil and gas extraction can be done most safely?
Plus, 13,000-year-old footprints, the James Webb telescope is delayed, and a rogue satellite makes a timely landing.
How is the body mass of polar bears changing as sea ice disappears? The answer may depend on where they live and feed.
Juli Berwald recounts not the not-so-straight path that led to her work as a marine biologist.