Asteroid Ceres Is Young
September 1, 2020
The bright spots on Ceres formed recently, say scientists, and activity could be going on today.
Ceres Looks Seriously Young
September 20, 2018
Asteroids should not be so active. This one was, and is.
Ceres Is Young
March 16, 2018
Dawn Mission scientists were surprised to see this asteroid (dwarf planet Ceres) with a water cycle and evidence of rapid geological changes.
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.
Juno How Old the Solar System Is?
July 6, 2016
Everyone knows the solar system is 4.5 billion years old. Everyone, that is, except Nature herself.
Titan Ethane Still Missing, and Other Planetary Puzzles
May 7, 2016
We update the problem of Titan's missing ethane and other challenges to billions of years.
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!
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.