First detected in 2004, the dwarf planetHaumeaquickly stood out due to its rapid rotation and elongated form. But the 2017 discovery of a ring system around it added a new level of complexity to an ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

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 ...

A sweeping new ICE operation shows how Donald Trump’s focus on immigration is reshaping federal law enforcement. Higher steel tariffs kick in. A potential new dwarf planet is identified. And food ...

This artist’s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated that there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the ...

How did this red dwarf star 240 light-years away end up with a gas giant planet? Credit: University of Warwick / Mark Garlick illustration Astronomers have discovered a world outside the solar system ...

A dwarf planet nicknamed the Goblin has been discovered beyond Pluto, astronomers said Tuesday. Scott Sheppard of the Carnegie Institution for Science, one of the scientists who made the find, said ...