Astrophysically, normal matter — even with all the different forms it can take — cannot on its own explain the Universe we observe. Beyond all the stars, planets, gas, dust, plasma, black holes, neutrinos, photons, and more, there’s an overwhelming suite of evidence suggesting that the Universe contains two ingredients whose origins remain unknown: dark matter and dark energy. Dark matter, in particular, has an incredible amount of astrophysical evidence supporting its existence and abundance —... Read this story
