Back in the 1980s, NASA’s Voyager spacecraft made a brief flyby of Saturn’s moons, providing us with a tantalising glimpse of new worlds. Now, the Cassini mission has finished the job, providing us ...

Although not an official conjunction, three planets and the Moon are grouped within about 10 degrees of the Sun today. Except for the Moon, which will move on into the evening sky, the planets will be ...

As we learn more about the outer solar system, scientists have reassessed how they think about moons. Once seen as freeze-dried wastelands, we now believe many of the larger moons around planets like ...

Astro Bob blog: Sun keeps close company with the planets / New color maps of Saturn's moons Hidden by sunlight today, the New Moon and three planets parade across the sky in the constellations Libra ...