While there is a little wiggle room, the planets in our solar system really are orbiting on mostly the same level. Why do ...

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.

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune are all in the evening sky, but you’ll need binoculars, timing, and a ...

In 2018, astronomers discovered a brown dwarf binary system. Brown dwarfs are stellar objects that never had enough mass to fuse hydrogen and become fully fledged stars. They are often found in ...

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

In a real-life twist on Star Wars' Tatooine—a harsh desert planet with twin suns and a criminal underbelly—astronomers have found a bizarre new world that orbits two stars at a perfect right angle.

Some of the most promising places to look for extraterrestrials have remained, so far, mostly hidden from astronomers. Now a game-changing instrument called NIRPS (Near-Infrared Planet Searcher) is ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Right angle Illustration of 2M1510 showing the orbits of the two brown dwarfs (in blue) and that of the planet (in orange). (Courtesy: ESO/L Calçada) The first strong evidence for an exoplanet with an ...