Dark matter seems invisible, but it makes up most matter, and we have evidence that it gives the cosmos its shape. Now ...
Part one of a four part series on the fundamental forces (or interactions) of physics begins with the strong force or strong ...
Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...
Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that ...
Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...