Scientists theorize that many millions of years ago, Mars had rings, just like Saturn. And it looks like the red planet could ...

The curious minds at What If predict what happens if Jupiter swallowed every planet, exploring orbital chaos, planetary destruction, and gravitational effects.

Research into Jupiter’s moons shows Io and Europa did not evolve apart but formed with opposite compositions from the ...

Thick, swirling clouds cover Jupiter from pole to pole. They hold water like Earth’s clouds, but at far greater density.

"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the ...

"Stars like the sun don’t just stop shining for no reason." ...