Watch the crescent moon, Venus and the bright star Regulus align in a rare predawn close conjunction tomorrow.

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...

Researchers from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences have revealed for the first ...

Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and ...

Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.

New simulations suggest globular clusters form in multiple ways and point to a mysterious new type of star system that may ...

A collaborative team has revealed new observational evidence that sheds light on the mystery of massive star formation. Researchers from Yunnan University, the Shanghai Astronomical Observatory of the ...

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light on how stars emerge and influence their surroundings.