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 ...

NASA's Curiosity Mars rover has spied a pitted rock face known as "Timboy Chaco" as it explores a region of the Red Planet called Mount Sharp.

NASA's Artemis 2 mission is targeting an April 1 launch, sending a crew of astronauts on a historic trip around the moon.

100 years ago, a liquid-fueled rocket flew into the sky for the very first time. The unlikely contraption was designed by ...

Ingenuity was designed as a short 30-day technology test on Mars, weighing just 680 grams and built partly from smartphone components. But instead of a few experimental flights, the tiny helicopter ...

Federal aviation records show that a week before a fatal helicopter crash, a notice was issued that a tightrope would be stretched across a mountainous area of Arizona, providing a warning for pilots ...