The moon makes for an excellent guide to see Mars in the night sky tonight. As the sun sets this evening (Feb. 9), the moon ...

NASA shares an iconic image of carbon dioxide ice erupting in geysers when Martian winter turns to spring.

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

On Jan. 15, the sun will oppose Mars retrograde, triggering a cosmic standoff between your ego and your emotions. This is the kind of transit that could make you feel like you’re caught in a tug ...

And you could still launch at times that are not ideal. The optimal fuel route for Mars involves arriving when the two ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Formations that look like jumbo-sized kidney beans (or blobs of chocolate syrup, depending on your palette) may be indicators ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

It is approaching what is known as opposition, which occurs when Mars is on the opposite side of Earth as the sun. During opposition, Mars is closer to us than usual and its face is fully lit by ...