What is a black hole?: the making of a black holes -- Singularity and disc: identifying a black hole and its parts -- Black hole hunters: spacecraft that track down black holes and other space objects -- Where are they?: Black holes are scattered across the universe -- Energy beams: huge bursts of energy far away in space -- Target earth?: are black holes a danger to our planet? -- Starbirth: black holes may actually help create new stars -- Wormhole highways: could we use black holes for space travel? -- Other bizarre space objects -- Micro stars: looking at white dwarfs and neutron stars -- Weird worlds: strange new planets that circle distant stars -- Danger in space!: Explosions, collisions, and other deadly space events -- Coming soon?: with new spaceprobes and telescopes, what could we find in the future? -- Reference section -- Discovery timeline: the history of astronomy, from early skywatchers to the near-future -- Glossary and web watch terms and concepts explained -- Index.