ESPOO, Finland — China’s Tianwen-3 Mars sample return mission is entering flight hardware development, targeting a late 2028 launch to seek out biosignatures on the Red Planet. The mission has ...

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a frozen desert where even a thin wisp of air struggles to hold on. NASA’s ...

(CNN) — Blue Origin, the rocket company founded by Amazon multibillionaire Jeff Bezos, launched its towering New Glenn rocket on a mission that marked its first major test. Carrying a pair of ...