A comprehensive introduction to the epic geological history of the world’s rivers, from the first drop of rain on the Earth to the modern environmental crisis

A comprehensive introduction to the epic geological history of the world’s rivers, from the first drop of rain on the Earth to the modern environmental crisis

The nation’s rivers connect mountains to sea, communities to natural places, and people to wildlife. America’s Wild & Scenic River system recognizes these v

The quantity of numbered minor planets has now well exceeded a quarter million. The new sixth edition of the Dictionary of Minor Planet Names, which is the IAU�

Beneath dense gray clouds through which no sun shone lay a forgotten planet. It was a nightmare world of grotesque and terrifying animal-plant life. Gigantic be