ESO/L. Calçada, N. Risinger (skysurvey.org), DSS, VISTA, VVV Survey/D. Minniti DSS, Nogueras-Lara et al., Schoedel, NACO, GRAVITY Collaboration, EHT Collaboration (Music: Azul Cobalto) ...

Trump again called on the United States to send astronauts to Mars in his speech to a joint session of Congress.

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

NASA’s two stuck astronauts are just a few weeks away from finally returning to Earth after nine months in space.

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