Kuiper Belt Object (KBO)

If Planet 9 is a Primordial Black Hole, We Might Be Able to See Flares When it Consumes Comets

A comet-eating black hole the size of a planet? It's possible. And if there's one out there in the distant…

3 months ago

Pluto and Other Kuiper Belt Objects Started Out With Water Oceans, and Have Been Slowly Freezing Solid for Billions of Years

It seems unlikely that an ocean could persist on a world that never gets closer than 30 astronomical units from…

3 months ago

Over a Hundred New Large Objects Found in the Kuiper Belt

Hey Pluto, Sedna, Haumea, Makemake Et al.: You’ve got company! While searching for distant galaxies and supernovae, the Dark Energy…

7 months ago

Tiny Object Found at the Edge of the Solar System for the First Time. A Kuiper Belt Object that’s Only 2.6 km Across

The Kuiper Belt, or the Edgeworth-Kuiper Belt, is home to ancient rocks. Kuiper Belt Objects, or KBOs, are remnants of…

2 years ago

New Horizons’ Next Flyby Target Just Got Weirder!

In preparation for their historic flyby with a KBO, the New Horizons team conducted observations that indicated that the target…

3 years ago

A Bored New Horizons Spacecraft Takes Part Time Job To Fill The Time

As it makes its way towards its next destination in the Kuiper Belt, the New Horizons probe has been given…

3 years ago