Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The Vera C. Rubin Observatory will make the study of stars and galaxies more like the big data-sorting exercises of ...

Astronomers have added two more exoplanets to a growing study aimed at finding out whether rocky worlds near small, faint ...

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

Over the last few years, the term "Goldilocks zone" has come to be widely used to describe the range of distances from a star ...

Researchers in the US have suggested there is a 40 percent chance a ninth planet could exist in our solar system. Planet Nine ...

Researchers from Vilnius University’s Faculty of Physics, along with other scientists, have recently discovered a new ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

The drug could change the course of the AIDS epidemic. But the Trump administration has gutted the programs that might have ...