Sperm Counts Have Been Falling For Decades—Researchers Think Cell Phones Could Help Explain Why

After decades of dreams, a commercial spaceplane is almost ready to fly

Asteroid dust caused 15-year winter that killed dinosaurs: Study. Fine silicate dust from pulverized rock would have stayed in the atmosphere for 15 years, dropping global temperatures by up to 15 degrees Celsius, researchers said in a study in the journal Nature Geoscience

Researchers Reveal the Power of “Ghostly Encounters” on Organizations