Deep in the heart of the matter, some numbers don't add up. For example, while protons and neutrons are made of quarks, ...

Dark matter, a type of matter that does not emit, absorb, or reflect light, is predicted to account for most of the universe's mass. While theoretical predictions hint at its abundance, detecting this ...

Scientists are using “trapped ions” in highly precise experiments to search for a new, fifth force of nature that could help explain elusive dark matter. The invisible dark matter is one of the ...