The so - called cold dark matter theory was proposed some 20 years ago to explain the structure of the universe. (sciencemag.org)
I studied physics and computer engineering with dreams of doing a PhD in high energy or condensed matter theory, but alas I sold out to the data science industry. (mechanics.stackexchange.com)
However, an old and highly controversial theory that simply changes the law of gravity can explain a key property of galaxies better than the standard dark matter theory, one astronomer reports. (sciencemag.org)