Scientific theories aren't mere conjecture – to survive they must work - The Conversation US

In science, the word 'theory' has a very specific meaning that's easy for nonscientists to misunderstand or misconstrue. Here's what a theory must withstand to be accepted by the scientific community. ....
https://theconversation.com/scientific-theories-arent-mere-conjecture-to-survive-they-must-work-73040