In a world where even a chocolate bar can feel overpriced, nothing compares to the jaw-dropping cost of antimatter—the most ...

Antimatter — the mysterious substance that's the mirror opposite of matter in most ways — falls downward in gravity like everything else in the universe, a team of physicists reported ...

Our universe is full of matter, and each and every particle of matter, theoretically, has an antimatter counterpart. These elusive particles have fascinated physicists for decades. And now the ...