Northrop Grumman test fires first stage of Sentinel nuclear missile
The land-based leg of the triad consists of about 450 Minuteman III missiles located in hardened underground bunkers in the middle of the continental US
Scientists discover how to make electricity “out of thin air”
A hydrogen-consuming enzyme from a common soil bacterium is able to generate an electrical current using the atmosphere as an energy source
Rare black hole 1 billion times the mass of the sun could upend our understanding of galaxy formation
The hidden primordial black hole formed just 750 million years after the Big Bang and may be the "tip of the iceberg"
