Planets, asteroids and comets orbit more massive stars, and stars collect around supermassive black holes, forming galaxies. Large galaxies, like the Milky Way, attract smaller galaxies.
The European satellite, launched in 2013, has exhausted its gas reserves and is preparing to return to a stable orbit before being 'passivated.' But while the data collection that revolutionized ...
The one in the middle of the Milky Way, called Sagittarius A(asterisk ... Scientists know stars can form near and even orbit these black hole behemoths, but they've never seen a pair of stars ...
Known as Sgr A* – pronounced “Sagittarius A star” – the supermassive black hole is four million times the mass of the sun and is known to exhibit flares that can be observed in multiple wavelengths, ...
"It marks an exciting step forward in our understanding of dark matter and the dynamics of the Milky Way." A perplexing "break" in a stream of stars around the Milky Way could be the result of ...
The materials that make up your body are intergalactic voyagers that have existed beyond the limits of the Milky Way. New research suggests that the carbon that serves as the building blocks of ...
The European Space Agency's Gaia spacecraft concludes its 12-year mission to map the Milky Way, leaving behind a legacy of unprecedented data and discoveries.