Using the Gemini South telescope, one half of the International Gemini Observatory, partly funded by the U.S. National Science Foundation and operated ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

W. M. Keck Observatory’s laser guide star adaptive optics (LGS AO) system uses a laser to create an artificial star to measure for atmospheric distortions. This results in sharp, high-resolution ...

A newly discovered ultra-massive black hole (UMBH), weighing an astonishing 36 billion times the mass of the Sun, is ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

Scientists from UNSW Sydney have located a potential new exoplanet—a planet that orbits a star outside of our solar ...

The disc of plasma surrounding the black hole at the heart of the Milky Way is constantly emitting flares both large and small.

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...