A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Scientists found an intriguing world in our galaxy.

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

The shape of our planet is one of the unknowns that has always existed on Earth. It has aconcreteshape and is something that ...

Thirty years after the discovery of the first exoplanet, we detected more than 7000 of them in our Galaxy. But there are still billions more to be discovered! At the same time, exoplanetologists have ...

Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.