Today, Earth’s magnetic field acts as a safety blanket, shielding the planet from dangerous solar wind. Without the protection of our magnetosphere, you, me and almost every other living thing ...

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth." ...

NASA astronaut Don Pettit captured breathtaking video of a rare atmospheric phenomenon from his perch high above Earth on the International ... These are bright, colorful flashes of light faster ...