Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Binary star systems, or pairs of stars that orbit around each other, are very common. In fact, it’s estimated that 85% of stars in the universe have at least one companion.

Get Instant Summarized Text (Gist) A binary star system has been identified consisting of a millisecond pulsar and a helium-rich companion star with a mass between 1 and 1.6 M☉ ...

In one six-star system, TYC 7037-89-1, three couples orbit each other, but two of the three pairs also circle one another. The third duo, in a vaster orbit, revolves around the other two pairs.

D9 is the first star pair ever found near Sagittarius A*, the supermassive black hole at the centre of the Milky Way. This image shows an emission line of hydrogen mapped by the SINFONI instrument ...