Saturn crescent with Mimas, Rhea and Tethys. Image credit: NASA/JPL/SSI. Click to enlarge This view of Saturn shows a thick…
The Dragon storm. Image credit: NASA/JPL/SSI Click to enlarge On Earth we have hurricane season, and a welcome break in…
As part of his general theory of relativity, Einstein predicted that mass should emit gravity waves. They'll be weak, though,…
Star clusters in small magellanic cloud. Image credit: ESA/NASA. Click to enlarge The Hubble Space Telescope has captured these stunning…
M102: "The Spindle Galaxy". Image credit: NOAO/AURA/NSF . Click to enlarge. Greetings, fellow SkyWatchers! This week begins with a meteor…
Zodiacal Light by Tony and Daphne Hallas The night sky, from a dark location, is filled with many sights full…
If you're looking to build a powerful spaceship, nothing's better than antimatter. It's lightweight, extremely powerful and could generate tremendous…
Titan and small Epimetheus behind Saturn's rings. Image credit: NASA/JPL/SSI. Click to enlarge This Cassini photograph shows Saturn's large, smoggy…
The large Argyre Basin in Mars' southern hemisphere. Image credit: NASA/JPL/MSSS. Click to enlarge NASA's Mars Reconnaissance Orbiter has sent…
One of the five PHOENIX spectrograph of Eta Carinae. Image credit: Gemini Observatory/AURA. Click to enlarge Eta Carinae is an…