What does it take to colonize Mars? Elon Musk has the answer—a $66 trillion roadmap involving Starship, Tesla Bots, AI, and even terraforming with nuclear explosions. Learn about his audacious plan to ...

The tough part is that fish cannot be compared to other species, she said, like mammals or birds. "That has a lot to do with their anatomy and physiology and the way that their brains and their ...

Dwindling natural habitats are causing a significant decline in certain seahorse species. To bolster populations, researchers in Australia are building seahorse hotels and leaving the lights on.