The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

and Vesta as full-fledged members of our planetary system. Today, when tens of thousands of minor planets have been discovered (most residing in an "asteroid belt" between Mars and Pluto), not ...

There are practical and sentimental reasons for that—Pluto has tantalizing mysteries to unlock that New Horizons, the most recent spacecraft to visit the system, only added to. To research those ...

Our solar system has eight planets but in recent years, astronomers have theorised there could well be a ninth planet that's hiding in our solar system we've not been able to see yet.

New exhibit to replace Greenbelt Planet Walk with a new trail through Julia Davis Park — but this time, with one less member ...

A new paper discusses the possible existence of an unseen planet in the outer solar system, the so-called "Planet X" or ...

An 11-inch scope will reveal Pluto and a few similarly faint stars, but a larger instrument will improve your odds a lot.

Pluto's moon: NASA's New Horizons captured this high-resolution enhanced color view of Charon just before the spacecraft made ...

New studies offer a clearer picture of how the outer solar system formed and evolved based on analyses of trans-Neptunian objects (TNOs) and centaurs. The findings reveal the distribution of ices in ...

Aside from the solar system once again having nine planets—which it had before Pluto’s demotion in 2006—the discovery of a distant Earth-mass planet would have profound implications for ...

Carbon Dioxide and Hydrogen Peroxide on Pluto's Moon Charon Oct. 1 ... Gigantic Asteroid Impact Shifted the Axis of Solar System's Biggest Moon Sep. 3, 2024 — Around 4 billion years ago ...

We won't be able to watch NASA's New Horizons spacecraft fly past Pluto in real time. But thanks to this awesome "Eyes on the Solar System" app developed by NASA, you can watch a simulation of the ...