Dutch astronomer Willem de Sitter, born May 6, 1872, studied mathematics and physics at the University of Groningen, developing an interest in astronomy there and furthering it with work at Cape ...

The most massive black holes in the universe detected by the ripples they make in spacetime were not born directly from ...

In September 2012, Russian astronomers Vitali Nevski and Artyom Novichonok discovered Comet C/2012 S1; as they were using a ...

Founded in 1926, the Los Angeles Astronomical Society marked its centennial with a celebration at Griffith Observatory on ...

Astronomers have gotten their clearest look yet at the surface of an exoplanet - a planet beyond our solar system - thanks to ...

It’s been said that science is not truth, but rather finding the truth... always in flux as we learn more about the universe. Many scientists dream of the day (and put in the hard work toward) that ...

NASA. On February 7, 1984, Bruce McCandless II slipped out of space shuttle Challenger and became something no human had ever ...

The Pentagon's release of files might help scientists shed light on unexplained phenomena and government secrets, experts ...

Astrolabe, an ancient astronomical tool, helped measure time, direction, and stars. Discover its meaning, origin, and role in ...

In this video, we explore the entire 13.8 billion year history of our Universe compressed into a single calendar year. Key ...

Researchers are perplexed by a galaxy that seems too large and too dusty for its place in cosmic history, less than a ...