Near 360 million years ago, the Late Devonian wiped out up to 75% of species. Later came the Permian-Triassic Extinction about 252 million years ago, erasing over 90% of marine species and 70% on land ...

Eons are the broadest category. From oldest to youngest, they are the Hadeon, Archean, Proterozoic, and Phanerozoic eons. Each eon is subdivided into eras. The Phanerozoic Eon is divided into the ...

A court-appointed special master has named a stalking horse bidder to buy PDV Holding Inc., the indirect parent company of Citgo Petroleum Corp.— to the ire of investors in PDV. Robert B. Pincus, a ...

It is not until the Age of Fishes in the Devonian (starting 419 million years ago) that fossil shark teeth and complete shark fossils appear. The world's oldest intact shark fossil is of a ...

QUÉBEC CITY, April 01, 2025--(BUSINESS WIRE)--Devonian Health Group Inc. ("Devonian" or the "Corporation") (TSXV: GSD; OTCQB: DVHGF), a clinical stage corporation focused on developing unique ...

WhiteHawk Energy upped its ownership stake in the Marcellus Shale with a $118 million acquisition. The royalties transaction doubles Philadelphia-based WhiteHawk’s ownership interests on a portion of ...