Image of the supermassive black hole Sagittarius A* (Sgr A*). from the Event Horizon Telescope (EHT) collaboration "has ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

On this date, Jan. 29, 1859, American astronomer William Cranch Bond died. Cranch and his son, George Phillps Bond, ...

Astronomers who identified HD 20794 d say its proximity to its host star and orbital pattern suggest it could hold water.