Astronomers using ESO's Very Large Telescope have for the first time directly observed granulation patterns on the surface of a star outside the Solar System -- the ageing red giant π1 Gruis ...

The impacts also likely lowered the kinetic energy of the red giant stars by at least 20 to 30 percent, shrinking their orbits and pulling them closer to the Milky Way's black hole. At the same ...

The study, currently available on the online pre-print serverarXiv, conjectures that the red giant ... When the star burns through those last drops, its core will collapse into a black hole ...

It is not uncommon to find stars paired together, but the new system of a neutron star and red giant is a particularly rare breed known as a 'symbiotic X-ray binary', with no more than 10 known ...

As its name suggests, a binary star system consists of two stars. In this case, one is a large red giant star ... reveal first photograph of a monster black hole at the heart of our galaxy ...

In about five billion years the Sun will run out of hydrogen fuel and swell into a red giant star over a thousand times its current volume before shrinking back into a white dwarf. No-one is quite ...