A hundred years before the Event Horizon Telescope Collaboration released the first image of a black hole in 2019—located at the heart of the galaxy M87—astronomer Heber Curtis had already discovered ...
The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...
In the 30 years since the discovery of 51 Pegasi b, more than 6,000 planets outside our Solar System have been catalogued. Two modern-day explorers explain how.
Astronomers from South Africa have conducted multi-band observations of a nearby dwarf irregular galaxy known as UGCA 320.
Scientists use the Frontier supercomputer to reveal how black holes and magnetic fields keep galaxy clusters stable for billions of years.