Astronomers have discovered evidence that orbiting Starlink satellites can contaminate their observations and appear as binary stars. Earlier this month, a group of astronomers published a preprint ...

Publisher from verso of t.p. Series from preface. I. Historical sketch: the early period -- II. Historical sketch: the modern period -- III. Observing methods, visual binary stars -- IV. The orbit of ...

Scientists analyzed over a decade's worth of data about 16 young supermassive stars orbiting the supermassive black hole at the center of the Milky Way galaxy. Supermassive stars typically are formed ...

Astronomers have confirmed a giant planet orbiting a tightly bound pair of young stars, marking a first in direct exoplanet imaging. The planet, known as HD 143811 AB b, is the closest-in world ever ...

Astronomers from the South African Astronomical Observatory (SAAO) and elsewhere have conducted photometric and spectroscopic ...