Astronomers have long suspected debris from the asteroid Phaethon causes the annual meteor shower. Now NASA’s Parker Solar Probe has captured the stream of space debris where the shower originates. ...read more
Black holes should be common in our Milky Way galaxy, but their dark nature means only dozens have been discovered to date. Here are a few nearby black holes astronomers know a little about. ...read more
Compounds with noble gases don’t form naturally on Earth. But in the interstellar medium, they are helping scientists probe the history of the universe. ...read more