By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.

The post Fungi Bloomed Twice around End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.

Analyzing 1.75-billion-year-old microfossils from ancient Australian seabeds, paleontologists say ancient eukaryotes -- the ancestors of every plant, animal and fungus -- huddled in oxygenated seafloor patches for over a billion years before breaking free into open water.

The post Study: Early Complex Life Forms Were Bottom-Dwellers appeared first on Sci.News: Breaking Science News.