Although we now believe we understand how the Sun and our solar system formed, there are alternative scenarios out there that are impossible to rule out completely, as is the case in all of science. Image credit: Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute (JHUAPL/SwRI).

Scientific Theories Never Die, Not Unless Scientists Choose To Let Them

As wonderful as the evidence that supports or invalidates a theory is, it can never truly kill the ones that don’t work out.

Ethan Siegel
Nov 23, 2017 · 6 min read

When it comes to science, we like to think that we formulate hypotheses, test them, throw away the ones that fail to match, and continue…