The power source for Earth's magnetic field may be magnesium that has been trapped in the core since our planet's violent birth.
For the first time astronomers have seen what role magnetism plays in the formation of hot protoplanetary disks around young stars.
If you're looking for a global catastrophe to have nightmares about, forget about a magnetic field crash. Continue reading →
Like a blinding beacon lighting up the night, a powerful gamma-ray-generating stellar husk has been seen pulsating in a neighboring galaxy.
Arx Pax, maker of the Hendo hoverboard, unveils second-generation design with improved design and performance. Continue reading →
Earth's inner core formed between 1 billion and 1.5 billion years ago, and this freezing heart of the planet powers its protective magnetic field. Continue reading →
The Magellanic Clouds, which can only be seen from the southern hemisphere, are two of our nearest neighbors.
Earth's magnetic field, which protects the planet from harmful blasts of solar radiation, is much older than thought.
+ Load More