From a tiny, downy being emerging some 235 million years past could arise a lineage of dinosaurs—provided it manages to endure a turbulent climate and the threat of predatory reptiles.

A catastrophic event, a fiery wave of destruction, eliminated a competing lineage, clearing the way for dinosaurs to flourish. Freed from this pressure, they multiplied in abundance, evolved into increasingly massive forms, developed elonga…

Following a harsh period of cold, the Cretaceous dawned with rising seas, allowing pterosaurs to soar toward distant islands in search of food, while dinosaurs stalked their prey within the vast oceans.

The age of dinosaurs held sway over the world, with *Tyrannosaurus rex* reigning as its deadliest predator. Yet, even as the landmasses fractured and began to shift, a more distant peril awaited, hidden within the vastness of space.