The oceans have absorbed about 90% of Earth's warming. Researchers found much of the excess heat is stored in the deep ocean of the subtropical North Atlantic.
When astronomers realized that asteroids photobombed deep space images from Hubble, citizen scientists got to work. The result: over 1,000 new asteroid discoveries!
Ursa Major the Great Bear is in Northern Hemisphere skies and is home to the asterism of the Big Dipper, which you can use to find other constellations.
Kelly Kizer Whitt - EarthSky’s nature and travel vlogger on YouTube - writes and edits some of the most fascinating stories at EarthSky.org. She's been writing about science, with a focus on astronomy, for decades. She began her career at Astronomy Magazine and made regular contributions to other outlets, including AstronomyToday and the Sierra Club. She has nine published books, including a children's picture book, Solar System Forecast, and a young adult dystopian novel, A Different Sky.