Gold from Starstuff, or a Fool’s Gold Scenario?
May 8, 2019
If you tweak your scenario hard enough, it will give you anything you want.
How Well Do Astrophysicists Understand the Origin of Heavy Elements?
March 15, 2019
Elements heavier than iron form in supernova explosions. End of story. We can all rest now. But wait...
Rearranging Deck Chairs on Sinking Planet Theories
April 27, 2016
Supernovas come in handy as theory rescue devices.
Astronomers Deal With Outrageous Phenomena
March 23, 2016
Even for scientists accustomed to big things, some observations seem too outrageous to explain.
Double Trouble for Cosmology
January 24, 2015
Two developments are converging to threaten the standard big bang model of the universe's origin.
Blow to Supernova Nucleogenesis Theory
January 20, 2015
There's 100 times less of a radioactive element on the ocean floor than expected.
Hubble Finds Early Large Galaxies
January 9, 2014
The latest deep space image by the Hubble Space Telescope shows many small galaxies near the beginning, but large ones, too.