A 14-year Hubble Space Telescope study suggests the universe was teeming with supermassive black holes. But how could that be?
SpaceX plans to launch the Crew-9 astronaut mission for NASA on Saturday (Sept. 28), and you can watch the action live online.
A newly discovered Earth-size world orbiting a dead white dwarf star gives scientists a hint of what the solar system may look like in billions of years.
An oddball galaxy in the early universe shines so brightly it outshines its stars.
Hurricane Helene will make landfall in Florida on Thursday evening (Sept. 26), and satellite footage is capturing it along its path.
