Mars’ north polar ice cap has been found to be much more pristine than had been thought, containing less dust that changes ...

The condition of Mars’ polar ice could offer new clues about the Red Planet’s past and whether it was ever suitable for life.

Although Mars may have once resembled Earth, the rocky red planet now appears far from hospitable. Still, certain ...

Taken by the Mars Express High Resolution Stereo Camera, this view of Korolev crater near the north pole of Mars comprises ...

Mars is famous for its red dust. So it’s easy to guess that the frozen water near its north pole is grimy, too.

I’ve always considered the moniker “Red Planet” as an oversimplification. Mars clearly looks more ochre than crimson up close ...

Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually ...

Mars is starting up a new year, which will see the planet begin a new 687-Earth-day trip around the sun.

There's been a lot of talk this week about our neighboring planet Mars. The main subject of wishful thinking for the dreamers on our own Earth, the ball of rock we affectionately call the Red Planet ...

Earth and Mars may have formed through different mixtures of planetary building processes, despite developing side by side.

Looking for a sky event this week? Check out our full Sky This Week column. October 4: Saturn reaches opposition The Moon ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A rare dawn conjunction on Saturday, July 4, brings fourth ...