Some stars lose their outer hydrogen layers before they explode. These “stripped stars” reveal their inner layers, including helium, carbon, and oxygen, providing scientists with clues about how stars ...

The 1967 Outer Space Treaty banned nuclear weapons in space but contained no verification provisions. Technological advances ...

Around 11,300 years ago, a massive star teetered on the precipice of annihilation. It pulsed with energy as it expelled its ...