When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

An illness cursing the land forces seventeen-year-old Vega, the Last Astronomer, to venture across the wilderness to discover the stars message that will save her people.

Presents an illustrated guide to the universe and to Earth's relationship to it, moving from theories of creation to humankind's discovery of the cosmos, to general relativity, to space missions, and beyond.

Looks at the history of astronomy, identifies important astronomers, and summarizes what is known about the Sun, Moon, planets, and stars.

Introduces readers to Mars.

"In 1916, Einstein became the first to predict the existence of gravitational waves: sounds without a material medium generated by the unfathomably energy-producing collision of black holes. Now, Janna Levin, herself an astrophysicist, recounts the story of the search, over the last fifty years, for these elusive waves--a quest that has culminated in the creation of the most expensive project ever funded by the National Science Foundation ($1 billion-plus)....

An introduction to Saturn, discussing the planet's location in the solar system, rings, atmosphere, and moons, and how people explore it. Includes critical thinking questions and simple activities.

You don't need a degree in astrophysics to plumb the mysteries of the universe! This guide makes navigating the stars easy, and provides everything you need to get started on your journey through the cosmos.

"Sixty-six million years ago, an object the size of a city descended from space to crash into Earth, creating a devastating cataclysm that killed off the dinosaurs, along with three-quarters of the other species on the planet. What was its origin? In Dark Matter and the Dinosaurs, Lisa Randall proposes it was a comet that was dislodged from its orbit as the Solar System passed through a disk of dark matter embedded in the Milky Way. In a sense, it...