The Earth's magnetic field and oxygen evolved together over 540 million years, according to a major NASA study.

OpenStar Technologies' "Junior" prototype proves that levitated dipole reactors can stabilize superheated plasma.

The coming decades of space exploration hinge on a single, stubborn number: the 225 million kilometres between Earth and Mars. Chemical rockets, the workhorses of every space programme to date, take ...

Scientists scanning the heart of the Milky Way have spotted a tantalizing signal: a possible ultra-fast pulsar spinning every 8.19 milliseconds near Sagittarius A*, the supermassive black hole at our ...

Earth’s magnetic field, generated deep within the planet’s liquid iron core, has been bending, stretching, and occasionally flipping for billions of years. That invisible shield determines whether ...

Tiny highly uniform magnetic fields are known to pervade the universe, influencing various cosmological processes. To date, however, the physical mechanisms underpinning the generation of these fields ...

It's well established that the universe is expanding, but there's serious disagreement among scientists over how fast it's happening.

NOAA is forecasting a turbulent solar wind of Saturday, Feb. 14 (Valentine's Day) and Sunday, Feb. 15, with displays of the aurora borealis possible in northern states.