Earth's aurora origin mystery solved by 'surfing' electrons

Opinion | NASA is planning to return to Venus. It’s about time.

Alan Shepard was 47 during Apollo 14 and was told he was "too old" to walk on the moon as he was the oldest astronaut to have flown in space at the time. He hadn't flown anything for ten years since 1961 and had been diagnosed with a rare condition of the inner ear called Meniere's disease

Quantum Life review: One man's journey from the streets to the stars