More than 95% of the Universe's makeup remains an enigma for science. We know that there is a new type of matter that does not emit light, dark matter, because of its effects on visible objects such as galaxies or stars. We know that there is a new type of energy, dark energy, because the expansion of the Universe accelerates. Newly discovered gravitational waves allow us to study black holes, while neutrinos, the most elusive of elementary particles, perhaps will answer why the Universe is made of matter and not antimatter...
