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Summer on Neptune is Surprisingly Chilly
Even though Neptune is entering its version of summer, it's actually cooling down — except for its poles, which are mysteriously warming up.
These Two Black Hole Behemoths Will Merge in 10,000 Years
Astronomers have discovered a pair of supermassive black holes that whirl around each other every two years.
Astronomers Watch the Making of a Super-Earth
Gaseous mini-Neptunes may become rocky super-Earths when they lose their atmospheres. Now, astronomers have caught that process in action.
