What Is Antimatter and Why Are We Searching For It?
Scientists have been looking for antimatter since the early 1920s. Is antimatter real?
Physicists Probe Antimatter For Clues To How It All Began (NPR)
"Matter has a counterpart called antimatter. Each kind of fundamental particle of matter has an antimatter nemesis lurking in the shadows. And true to science-fiction stereotype, if matter and antimatter ever meet, they annihilate in a flash of light."
Scientists trap antimatter long enough to study how it works (The Guardian)
"In science fiction stories, antimatter pops up everywhere as a power source for spaceships or the active ingredient in diabolical bombs. In real life, though, this mysterious substance is elusive and scientists have never had much of it to play around with.