Astronomy

NASA finishes the first experiment to make oxygen on Mars
NASA’s next-gen X-ray observatory is ready for launch (Updated)
New moon map reveals structures hidden beneath the lunar surface
India makes history by landing on the lunar south pole
NASA is sending a team of autonomous robots to the moon
NASA mission to a $10,000-quadrillion asteroid is two months from launch
NASA may have accidentally killed the only life we ever found on Mars 50 years ago
World’s oldest trees reveal the largest solar storm in history
Astronomers use dead stars to measure gravitational waves produced by ancient black holes
How Mars lost its magnetic field — and then its oceans