Ceres Looks Seriously Young
September 20, 2018
Asteroids should not be so active. This one was, and is.
Did Earth Get Its Water from Meteor Squirt Guns?
April 28, 2018
You can't just fire bullets at pumice and claim that Earth got its oceans that way.
Dawn of a Young Ceres
September 10, 2016
The largest asteroid has a problem: she's too young to get a date.
Why Astronomers Hammer Planets
September 6, 2016
Secular planetary scientists have a skeleton key that unlocks any planetary mystery: the BFH.
Pounding Headaches for Solar System Dates
October 19, 2015
It's hard to tell when things crashed into each other.
Seriously, Ceres and Comets Look Surprising
August 5, 2015
Here are surprises found at asteroid Ceres and Comet 67P by spacecraft arriving there this year.
Solar System Puzzles Needing Explanation
June 11, 2015
Here are some of the latest observations that are baffling planetary scientists.
Solar System Reversals
February 9, 2015
The planets keep going around, but theories about them often stop and go backward or sideways. When nothing else works, send in the impactors!
Another Geyser World Erupts: Asteroid Ceres
January 23, 2014
The asteroid Ceres is popping off with water vapor on two sides. What's that world coming to? One thing is sure: DAWN is coming to it.
Planets and Moons Beneath the Surface
September 29, 2012
Can science peel back the surfaces of objects to see what's underneath? Can they go under the observations to find the explanations?
October 28, 2011
Members of our solar system that were little more than points of light for decades or centuries have now become familiar family members, seen up close and personal by spacecraft. Here are introductions to three worlds that are no longer mere names in a catalog. Even the names of members in this trio may be unfamiliar to some. They’re worth getting to know.
July 29, 2011
Eruptions can come in two types: literal and figurative. Some planetary bodies are literally erupting. Others are causing figurative eruptions in theories. Here are some recent news stories about planets, moons, comets and other objects circling our sun and other stars. There hasn’t been much news from Mercury or Venus this month, so we’ll start on the home planet and work outward.