The Cat’s Eye Nebula holds a special place in scientific history. In 1864, astronomers examining the spectrum of its light ...

The Spirograph Nebula gets its name from the microstructure inside the spherical nebula. Anyone who played with that toy will remember the fascinating designs it made using ellipses. IC 418’s double ...

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 ...

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 ...