World's oldest complete star map, lost for millennia, found inside medieval manuscript
Evidence points to the map being made by Hipparchus, the "father of scientific astronomy."
Scientists, engineers and mission planners will share the latest research about the Red Planet today (Oct. 21) at the 2022 Mars Society Convention. Watch their talks live here.

Reference The sun is a great skywatching target but you should NEVER look at it without protection. Here we explain how to view the sun safely and what to look out for.

Reference The sun is a great skywatching target but you should NEVER look at it without protection. Here we explain how to view the sun safely and what to look out for.