Study links continent creation to 200-million year galactic comet cycle
When comets strike Earth they excavate & melt large portions of the mantle causing the molten rock to rise to the surface & float
NASA’s Webb telescope makes first ever detection of carbon dioxide on alien world
“It was a special moment, crossing an important threshold in exoplanet sciences”
The six-inch Black Hornet “microdrones” that can enter Russian buildings
The miniature drones have a 1.2-mile range, a top speed of 11mph, night vision and a flight time of up to 25 minutes
