Astronomers from the National Astronomical Observatory of Japan (NAOJ) and elsewhere have used the Subaru Telescope to ...
One of the longest stellar dimming events ever observed was likely caused by the gigantic saucer-like rings of either an ...
Key takeawaysIf a gas giant planet is big enough to ignite deuterium fusion, it becomes a brown dwarf instead of a planet.
At the center of the Milky Way, a supermassive black hole hides behind veils of dust, gas, and warped spacetime. Now a ...
A vast underground tunnel known as a lava tube, formed from ancient volcanic activity, was recently discovered lurking beneath Venus.