Two aging stars in the binary system AFGL 4106 sculpt a glowing, egg-shaped nebula as they approach the end of their lives.
NASA will roll its Artemis 2 moon rocket off the launch pad on Wednesday (Feb. 25) to deal with a glitch, and you can watch the long trek live.
Looking for a sky event this week? Check out our full Sky This Week column. February 20: The Coma Star Cluster shines Head out after moonset this evening to chase down planetary nebula NGC 3242 in ...
Six planets will shine together in the evening sky on Feb. 28. Here's how to get the best view before they disappear.