Betelgeuse is one of the brightest stars in the night sky and a familiar landmark in the constellation Orion. It has also ...

The John N. Bahcall Lecture Series Presenter: Robert Kirshner, Clowes Professor of Science, Harvard University Exploding stars halfway across the universe show that the expansion of the universe is ...

Star clusters are among the many objects observed by the Hubble Space Telescope. These gravitationally bound groups of stars often form from the same molecular cloud and come in various types. These ...

Behind the dusty clouds of the Cigar Galaxy lies a dazzling powerhouse of star formation, where stars are being born ten times faster than in the Milky Way. Astronomers using the Hubble Space ...