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extinctions

An aerial view of lava flows, some black and hardened and some molten red.
Posted inNews

Large Igneous Provinces May Have Leaked Cryptic Carbon

by Skyler Ware 25 November 202425 November 2024

Dissolved carbon dioxide may have bubbled up from magma far below the surface, contributing to prolonged warming.

Layers of rock visible in a cliff in Nanliang, Shanxi, China.
Posted inNews

Mega El Niño May Have Led to Major Mass Extinction 252 Million Years Ago

by Rebecca Owen 11 October 202411 October 2024

The extreme climate conditions wrought by a decades-long ENSO pattern could be the culprit in the Great Dying, which wiped out nearly 90% of life on Earth.

一只拥有着白色、黑色和红色羽毛的伶盗龙张开嘴正在奔跑。
Posted inNews

由火山冬天开启的侏罗纪恐龙的统治时期

Katherine Kornei, Science Writer by Katherine Kornei 2 October 20242 October 2024

中国西北部的沉积物显示,三叠纪晚期的严寒气候导致了许多生命形式的灭绝——但其中并不包括恐龙。

A microscopic image of remnants of silicifying organisms
Posted inNews

Clays May Have Slowed Earth’s Recovery After the Great Dying

by Kate Evans 19 August 202419 August 2024

Without tiny marine organisms using silica for shells, Earth’s oceans generated more clay, released more carbon dioxide, and kept Earth warmer for longer.

A map of what Pangea Ultima, which should form in about 250 million years, will look like
Posted inNews

Future Supercontinent Will Be Inhospitable for Mammals

by Rebecca Owen 8 November 20238 November 2023

Pangea returns in 250 million years, and it’s not looking good for us.

Photograph of a rocky hillslope with two people sitting at the top, in the distance.
Posted inNews

UV Radiation Contributed to Earth’s Biggest Mass Extinction

Rachel Fritts, Science Writer by Rachel Fritts 10 February 202327 February 2023

To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.

Posted inEditors' Highlights

Marine Molybdenum Loss During the Toarcian Ocean Anoxic Event

by Nicolas Gruber 7 January 202327 January 2023

The reconstructed loss of molybdenum during the Toarcian ocean anoxic event suggests deeply anoxic conditions during this time period allowing massive amounts of organic carbon being buried.

Artistic interpretation in which part of Earth is seen from above, and a bright trail of light pierces clouds and ends in what looks like an explosion
Posted inNews

Impact Crater off the African Coast May Be Linked to Chicxulub

Katherine Kornei, Science Writer by Katherine Kornei 19 September 202213 October 2022

The underwater crater, spotted serendipitously in commercial observations of seafloor sediments, is believed to have formed at roughly the same time as the famous Cretaceous-Paleogene impact event.

An artist’s rendering of North America in the weeks following the Chicxulub impact shows freezing conditions and skies hazy with sulfate aerosols.
Posted inScience Updates

A Post-Impact Deep Freeze for Dinosaurs

by Aubrey Zerkle 2 September 202222 February 2023

New research supports the hypothesis that dinosaurs were done in by climate change after an asteroid impact kicked up a massive plume of sulfur gases that circled the globe for several decades.

A Velociraptor with white, black, and red feathers runs with its mouth open.
Posted inNews

Volcanic Winters Ushered in the Jurassic Reign of the Dinosaurs

Katherine Kornei, Science Writer by Katherine Kornei 31 August 202222 March 2023

Sediment cores from northwestern China reveal freezing conditions during the Late Triassic killed off many forms of life—but not dinosaurs.

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