Astronomers have observed a binary star system orbiting near the supermassive black hole at the center of the Milky Way galaxy. The discovery of Sagittarius A* (Sgr A*), published Tuesday in ...

Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its own. The question is, where did it go?

Did the Sun once have a twin star, Nemesis? This lost sibling might have altered Earth’s fate by shaping comet paths, causing ...

In a world first, a team of astronomers led by Florian Peißker from the University of Cologne, Germany, have discovered a binary star system orbiting this black hole. The system is known as D9.

The binary system, named D9, consists of twin stars that are approximately 2.7 million years old. The finding was announced in a study published in Nature Communications, as reported by the ...

Astronomers have made a major discovery at the centre of our galaxy. A binary star system has been found orbiting the supermassive black hole, Sagittarius A*. This discovery, made by a team led by ...

The two young stars in the system each have a protoplanetary disk around them that is tilted with respect to the other. The two young stars orbit in a plane different from that of either disk.

Learn about Spica, Virgo's brightest and most mysterious star. It's a twin-star system that shines as a beacon in the night sky.

The discovery, which relied on data from the European Southern Observatory’s Very Large Telescope, marks the first time that a binary star system has been observed in the vicinity of a ...