This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

NASA Curiosity rover, which launched from Florida in 2011, captured panoramic image of Mars that resembles a sunset on Earth.

Another view from Perseverance shows how windswept Mars' landscape truly is.

Thin, seasonal ice may have protected ancient lakes on Mars, allowing liquid water to last for decades despite cold ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ...

Mars looks familiar from afar, but surviving there means creating a protective oasis in a hostile world. Instead of shipping ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

New MarsDaily research explains how thin seasonal ice could have allowed ancient Martian lakes to remain liquid for decades, despite a cold early Mars climate ...