Does Earth Have Six Continents, Not Seven? A New Study Challenges What We Knows
For centuries, we’ve been taught in geography classes that Earth has seven continents—North America, South America, Europe, Africa, Asia, Australia, […]
Ancient Wave Ripples on Mars: New Evidence of Liquid Water 4 Billion Years Ago
For decades, scientists have debated whether Mars once had liquid water on its surface. New findings from NASA’s Curiosity rover now provide strong geological evidence that shallow