Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of ...

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Stars are the fundamental building blocks of our ...

How many Earth-sized exoplanets orbit binary star systems (two-star systems)? This is what a recent study accepted by Astronomy & Astrophysics hopes to address as an international team of researchers ...

Learn why only 14 out of over 6,000 exoplanets orbit two stars, and how Einstein’s general theory of relativity may be to blame.

Astronomers recently released a new image of the binary star system Eta Carinae's full spectrum, taken from deep in Chile's Atacama Desert. The image was captured with the newly installed SOAR ...

Scientists have identified three Earth-sized planets orbiting two stars in the TOI-2267 system. Remarkably, planets transit around both stars — a first in astronomy. The system’s compact, cold nature ...

Only 16 to 84 other examples of this exotic system may exist in our entire galaxy. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers ...

Artist’s impression of the powerful winds blowing from the bright X-ray source GX13+1. The X-rays are coming from a disc of hot matter, known as an accretion disc, that is gradually spiralling down to ...

The Kuiper Belt object Altjira was thought to be a binary, but closer analysis suggests that it is highly likely to be a triple system This raises the question of the three-body problem; if Altjira ...

New research suggests that a binary pair of Kuiper Belt objects, known as the Altjira system, is actually made up of three separate bodies orbiting one another in a complex triad. This rare orbital ...

In the most extensive ultraviolet study of blue stragglers ever performed, an international research team used NASA's and ESA ...