An elusive particle that first formed in the hot, dense maelstrom of the early universe has puzzled physicists for decades. Following its surprise discovery in 2003, scientists began observing a slew of other strange objects tied to the millionths of a second after the Big Bang. An elusive particle that first formed in the hot, dense maelstrom of the early universe has puzzled physicists for decades. Following its surprise discovery in 2003, scientists began observing a slew of other strange objects tied to the millionths of a second after the Big Bang. General Physics Quantum Physics Phys.org – latest science and technology news stories