Microscopic squiggles found in 890-million-year-old Canadian reef rocks may represent the oldest animal body fossils, ...

Wild World of Animals will be presented at 3 p.m. Saturday at the Pasquerilla Performing Arts Center on the University of ...

Decades of research shows that Earth was once entirely or almost entirely frozen. The episode is known as Snowball Earth, and ...

Before the emergence of complex life, Earth was frozen for 56 million years. However, simple organisms likely benefited from ...

During the Sturtian glacial period during the Neoproterozoic Era, Earth underwent periods of global glaciation, which have been described as either "Snowball" and "Slushball" Earth scenarios. In ...

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks represents a gap of around a billion years of history. Among much debate ...

The Proterozoic is a Precambrian eon of geologic time extending from about 2.5 billion to 541 million years ago, bounded by the Archean–Proterozoic and Proterozoic–Phanerozoic transitions. It is ...

Salt is an essential nutrient for the human body. But hundreds of millions of years before the first humans, salt minerals once shaped entire landscapes. They even determined where early life on Earth ...

Ever since scientists began to understand evolution, they've been arguing over the contentious question of what, exactly, the first animal looked like. Based on genetic analysis, some say today's ...

ABSTRACT: Phosphate nodules from the Upper-Carboniferous to Upper-Permian period were discovered in the Chamba District of Himachal Pradesh. They are hosted by the Salooni formation and are ...