Dawn of a Young Ceres
September 10, 2016
The largest asteroid has a problem: she's too young to get a date.
Dinosaur Extinction Rewritten Again
April 22, 2016
Who will go back and fix the animations?
Ceres Shows Serious Youth
March 28, 2016
The latest high-resolution images from asteroid Ceres show "mysteries" including surprisingly young features.
The Farce Awakens: More Just-So Stories for the Darwin Crowd
December 16, 2015
More examples of the art of Just-So Storytelling from evolutionary biologists and psychologists. Pick your winner!
Science Will Never Know Some Things
December 12, 2015
Working against scientists' ambitions are hurdles of reality.
Want Salt on Your Ceres?
December 10, 2015
Those mysterious white spots on asteroid Ceres could be outcrops of salt. How did vast amounts of salt get out there?
August 8, 2015
Cassini keeps revealing puzzling phenomena in the Saturn system that challenge traditional theories and date estimates.
Solar System Puzzles Needing Explanation
June 11, 2015
Here are some of the latest observations that are baffling planetary scientists.
It's Curtains for Enceladus
May 11, 2015
The geysers of Saturn's little moon are like sheets instead of jets, spelling trouble for theories of its ancient age and possible life.
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!
Dinosaur Extinction Was Global
January 19, 2015
Whatever killed the dinosaurs took place quickly in both North America and Europe simultaneously.
Comet Ocean Theory Debunked
December 11, 2014
Data from the Rosetta mission debunk the notion that comets brought Earth's ocean water. Now they're hoping asteroids could have.
Impacts: Creators or Destroyers?
September 3, 2014
Some astronomers invest a lot of creative power in bangs, crashes and explosions.
Fluffballs in Space Shouldn't Exist
August 18, 2014
A rubble-pile asteroid has such low density it should have disintegrated, but it's doing just fine.
Rosetta and the Stone
August 6, 2014
A historic comet rendezvous mission begins today after ten years in space.