Ancient Lava Reveals Earth's Magnetic Field Really Does Have a Cycle of 200M Years

Hubble’s ‘Weird’ Crumbling Comet Was Also Seen By Ancient Egyptians, Say Scientists

The Air Force’s Investment In Hypersonic Startup Hermeus Isn’t About Producing A Hypersonic Presidential Executive Transport

Even When Wildfires Are Far Away, The Smoke Can Still Hurt Your Health. Here's How