As Turkey plots 2023 moon landing, union leader urges Muslim call to prayer from space

Huge Trove of Roman Silver Coins Unearthed in Turkey

NASA's Perseverance rover is one week away from a daring landing on Mars. Watch how it works.

NASA Wants to Set a New Radiation Limit for Astronauts. As the agency considers sending people to the moon and Mars, it’s taking a fresh look at the research on cancer risk and recalculating acceptable thresholds.