This textbook considers the methods used by governments to change the economic and social framework within which agricultural production takes place: by influen

The story of the men and women who drove the Voyager spacecraft mission— told by a scientist who was there from the beginning. --Publisher

2022 marks the 45th anniversary of the Voyager probe launches. Launched into space in 1977, these twin probes explored the farthest reaches of the Solar System

The action is on the page, on your device, and out of this world! This multiplatform series is part sci-fi, all action-adventure. And you don't have long to wai

Voyager 1 and Voyager 2 were launched in 1977. Since then they have traveled farther than any human object. Voyager 1 is now over 10 billion miles from the sun