How many planets are there in our solar system? Nine? Eight? Twelve? Hundreds? I know many will insist there are nine, with Pluto as the ninth planet, but ...

"Let's count down 11 recently discovered Earth-like planets! When Earth is no longer habitable, where could humans go? These ...

For a century, exoplanet hunters have “discovered” planets around a nearby star, only to retract the claims. But the latest ...

A value called Bz indicates how far south the solar wind's magnetic field is pointing, which can predict how likely the northern lights are to occur.

The optimists get excited about the opportunity for new green hydrogen uses. In many processes, green hydrogen is seen as the ...