The universe may be vast, but researchers have multiple points of evidence that reveal its shape. How the 'armpit of Kansas ...

The Milky Way was once a textbook example of how a spiral galaxy should form and evolve. Now a wave of new observations and ...

The letter Z often feels unfamiliar to students. It appears less often than other letters, and when it does appear, the words ...

From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...