Early election results: seven key ballot issues across Lorain County Seven votes separate Shah and Kelly in Ward 12; elsewhere, Cleveland’s incumbents roll At least 3 dead, 11 injured in UPS plane ...

The space telescope is peering into our own solar system's future. Anyone hungry for the icy crunch of a Pluto-like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque snack.

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.

For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to ...

In 2006, updated research led to Pluto being controversially demoted to dwarf planet status by the International Astronomical Union. The reasoning was that Pluto's location in the far-flung ...

It’s possible the trans-Neptunian object, dubbed 2017 OF201, is large enough to qualify as a dwarf planet, making it an “extreme ‘cousin’ of Pluto,” according to Institute for Advanced Study postdoc ...

Our solar system once had nine planets, but things changed when Pluto lost its planetary status in 2006. Ever since, astronomers worldwide have hunted for signs that we might still have a ninth planet ...

Images of dwarf planets: NASA/JPL-Caltech; image of 2017 OF201: Sihao Cheng et al. Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant dwarf ...

This is an image of Ceres, the nearest dwarf planet to Earth in the solar system. A new dwarf planet extremely far from the sun may have just been discovered. Credit: NASA / JPL-Caltech / UCLA / MPS / ...