Dark matter, the invisible stuff that scientists have determined makes up 85 percent of the mass in the universe, remains one ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

Laboratory experiments have coaxed simple molecules into states that naturally become more complex, hinting at the origins of ...

Mysterious dark matter makes up 85 percent of matter in the universe, and of the remaining 15 percent, scientists couldn’t ...