Astronomers have discovered an immense bubble of galaxies, 820 million light-years from Earth and a billion light-years wide. They named it Ho'oleilana.
Space junk is an increasing problem. With more countries and private companies entering space, more junk is accumulating and no one is in charge of cleaning up.
Earth flew between the sun and Saturn on August 27. Then Earth was between the sun and moon, at full moon on August 30. Photos here of Saturn and the moon!
Astronomers have discovered a brown dwarf that is similar to a hot Jupiter exoplanet. It is hotter than any hot Jupiter seen before, even hotter than our sun.
Scientists have completed a detailed "forensic study" of a massive star destroyed by a giant black hole. The black hole ripped out the insides of the star.
Earth-based observatories revealed a dark spot on planet Neptune. Astronomers used its spectrum to discover what it is. Plus, they found a nearby white spot.