Earth’s magnetic field is constantly swirling and shifting thanks to a colossal ocean of liquid metal sloshing around in its belly, but perhaps...

A supermassive black hole with a case of cosmic indigestion has been burping out the remains of a shredded star for four years — and it’s still...

Earth’s magnetic field feels steady and dependable, but over geological time it is anything but fixed. The magnetic north and south poles have...

Scientists have debated for decades whether Earth’s magnetic field plays a role in keeping the planet habitable. The question matters because Earth...

One of the most abundant living organisms on Earth may also be one of the most vulnerable. A group of ocean bacteria known as SAR11, which dominates...

One of the most abundant living organisms on Earth may also be one of the most vulnerable. A group of ocean bacteria known as SAR11, which dominates...

Without the blobs, Earth would be “magnetically dead,” the researchers said. ......

Without the blobs, Earth would be “magnetically dead,” the researchers said. ......

The ocean surface is definitely not flat. It is constantly changing as wind, waves and swells produce surface undulations, daily tidal fluctuations...

The ocean surface is definitely not flat. It is constantly changing as wind, waves and swells produce surface undulations, daily tidal fluctuations...