Gamma-rays arising from a black hole merger would be a landmark finding because black holes are expected to merge "cleanly," without producing any sort of light
While genuine machine consciousness is still years into the future, we are beginning to see computers make choices that previously demanded a human’s input
Probing the 'color' interactions among quarks tests a theoretical concept of nature's strongest force to pave a way toward mapping protons' 3-D internal structure
Ancient lunar ice indicates the moon's axis slowly shifted by 125 miles, or 6 degrees, over 1 billion years. Earth's moon now a member of solar system's exclusive 'true polar wander' club, which includes just a handful of other planetary bodies