Add Yahoo as a preferred source to see more of our stories on Google. An illustration of our solar system showing the planets far closer together than they are in reality in order to represent the all ...

The universe is filled with planets that defy imagination. From worlds that rain molten metal to giants light enough to float, this video uncovers the weirdest discoveries. Dive into the science ...

Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard's Star—the sun's closest ...

A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that blurs the line between planets and stars, astronomers said Thursday. Unlike ...

Astronomers have discovered a pair of giant planets that are lighter than cotton candy – "super-puffs" the size of Jupiter. The featherweight pair, dubbed TOI‑791 b and TOI‑791, orbit a star 1,110 ...

A joint US-Russian crew safely returned to Earth after completing their mission. They spent over eight months aboard the International Space Station orbiting the planet. This safe return highlights ...

Our Solar System contains eight planets (sorry, Pluto) orbiting around the Sun. But while all planets are important members of the club, if we’re being honest, we know there’s a crown jewel of our ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Astronomers have found a planetary system that seems to have formed inside-out. While most systems, like our own, have rocky planets closest to their star and gaseous ones further out, the LHS 1903 ...

Two newly confirmed "super-puff" planets are so diffuse that they are less dense than cotton candy, despite being about the size of Jupiter. Their rare orbital relationship and enormous, lightweight ...