From Cepheus to Vela, let’s go on a tour of PLANETARY NEBULAE, exploring stellar blowouts that have been cast off by dying Sun-like stars. We’ll start with nearby objects and move outward; be sure to ...

NASA’s Curiosity rover appears as a dark speck in this contrast-enhanced view captured on Feb. 28, 2025, by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter. Trailing Curiosity are the ...

For the first time, the famous “spirograph” Planetary Nebula IC418’s non-explosive stellar evolution has been captured over an unprecedented period of 130 years—almost double the length of a typical ...