Vulpecula isn't a well known constellation, and its stars are dim. Yet it's interesting. It contains both the first planetary nebula and the first pulsar ever discovered, a handful of exoplanets, and part of the biggest structure in the known Universe.

A number of planets orbiting stars outside the Solar System have been directly imaged, but most of the 4000 known exoplanets haven't been. Very few have been discovered by direct imaging. How do astronomers find what they can't see?

The moons of the giant outer planets have turned out to be stranger and more interesting than anyone had imagined. What do you know about the moons of Jupiter, Saturn, Uranus and Neptune?

The biggest impact crater on Earth is the Vredefort crater in South Africa, and the highest mountain is Everest. But what about the rest of the Solar System? Which features are the biggest ones in the whole Solar System?

“Lessons” and “physics” are in the title, but don't panic. Although Carlo Rovelli is a high-powered theoretical physicist, he doesn't lecture the reader. He shares his understanding of the strange universe of modern physics as a man steeped in philosophy and with poetry in his soul.

Achievements may be honored with prizes and medals, but few get represented as children's toys. However Lego responded to a proposal to showcase women in space and astronomy by making a Lego set representing four such women and their major contributions. Who were these women?

Delphinus (the Dolphin) sounds like one of the southern sea constellations invented by early European navigators. However it's an ancient northern constellation first catalogued by Ptolemy in the 2nd century. Small and made up of faint stars, its diamond is still easily visible in a clear dark sky.

Did you know there are artworks on the Moon? And "Moon Museum" hitched a ride attached to Apollo 12's lunar module. But the "Fallen Astronaut" statuette lies on the Moon's surface. Here's how it got there.

The sky is full of stars, and since prehistoric times humans have known of five nomads – planets – wandering among them. No individual discovered those planets, for they're there for all to see. So why was the sixth one – now called Uranus – not known until 1781?

For umpteen centuries people thought the Earth was the center of the cosmos. In the 2nd century AD, this view was the foundation for Ptolemy's Almagest and it persisted into the 18th century. But it wasn't unchallenged, there was a revolution in the making.