Mosquitoes hatch from tiny eggs and spend a few days filter-feeding on things like bacteria, pollen, and algae. They molt three times as they grow,...

Since distant galaxies are billions of light-years away, some understandably assume that distant starlight must have taken billions of years to reach...

Some friends and I recently hiked into Texas’ Palo Duro Canyon, where sedimentary rock layers span the horizon. Eighteenth-century naturalists...