Red Mars meets bright Spica in the sunset sky this week. Mars will shine close to the blue star Spica at sunset on Sept. 13, but you'll need a clear view of the western horizon to catch the colorful ...

Mars will sit less than 10 degrees above the horizon at sunset, with the 11 %-lit waxing crescent moon hanging less than 6 ...

NASA's Europa Clipper spacecraft is on a journey to Jupiter's moon, Europa, a frozen world believed to harbor a salty ocean beneath its icy crust — and possibly the conditions to support life. - NASA ...

A simple core of pure iron and nickel couldn’t account for the observed properties. The Martian core must be rich in “light ...

The Griffith Observatory in California had a great view of the Mars-Moon occultation on Dec. 7, 2022. See the Red Planet slip ...

NASA’s Curiosity rover has been getting all the attention these last few days as it celebrates its 13th year on Mars, but its younger sibling, Perseverance, is also hard at work on the Martian surface ...

Four researchers will spend more than a year in a 3D-printed habitat, acting as though they're eating, sleeping and living on ...

CNBC's Investing in Space newsletter offers a view into the business of space exploration and privatization, delivered straight to your inbox. Sign up to receive future editions. It was a matter of ...