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.

A dwarf planet is "classified as a celestial body that orbits the sun that has enough mass and gravity to be mostly round, but unlike other planets, has not cleared its orbital path of asteroids and ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

Studies of 15 M-type stars have revealed new insights into the potential presence of exoplanets. A new study led by ...

What can Earth-sized exoplanets teach scientists about the formation and evolution of exoplanets throughout the cosmos? This is what a study recently posted to the arXiv preprint server hopes to ...

Learn how a new discovery of a giant planet can help scientists refine their theories of how planets form.

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 ...

Scientists from Vilnius University (VU) Faculty of Physics, along with members from Poland and other countries, discovered a rare planet using a space-time phenomenon first predicted by Albert ...

Possible new dwarf planet spotted in our solar system Composite image showing the five dwarf planets recognized by the International Astronomical Union, plus the newly discovered trans-Neptunian ...