Toxic oceans behind mass extinction 200mn years ago?
Toxic oceans behind mass extinction 200mn years ago?

Oxygen-depleted toxic oceans had key role in mass extinction over 200 million years ago when half of the plants, animals and marine lives on the Earth perished, finds a new research.

Did dark matter trigger mass extinctions on Earth?
Did dark matter trigger mass extinctions on Earth?

The Earth's infrequent but predictable path around and through our Galaxy's disc may have a direct and significant effect on geological and biological phenomena occurring on Earth, new research has found.

Incessant species disappearance can lead to 6th mass extinction within 100 years
Incessant species disappearance can lead to 6th mass extinction within 100 years

A new study has recently revealed that incessant disappearance of species on Earth could lead to sixth mass extinction within 100 years.

`Finicky` cats` diet led to their mass extinction 12,000 years ago

A new study on prehistoric big cats suggests that finicky eaters usually do not survive mass extinction events.

Did Methane-spewing microbes wiped out life from earth 252 mn years ago?

According to researchers, around 252 million years ago, microbes which are believed to produce methane caused a major disaster may have led to the mass extinction in earth`s history.

Amphibians and dinosaurs were new large predators after mass extinction 252 mln years ago

Researchers have said that crocodile-like amphibians and later the precursors of the known plesiosaurs and ichthyosaurs went in search of prey in the oceans soon after the end of the mass extinction.

Mass extinction happened fast: Study

Something wiped out nearly all life on Earth more than 250 million years ago, and whatever unleashed this mass die-off acted much faster than previously thought, scientists said Monday.

Mass extinction may not cause all organisms to `shrink` under `Lilliput effect`

The sizes of organisms following mass extinction events may vary more than previously believed, which may be inconsistent with the predictions of the so-called `Lilliput effect.`

Climate change 375 mn years ago may have lead to mass extinction

Researchers have found proof for catastrophic oceanographic events linked with climate change and a mass extinction 375 million years ago that devastated tropical marine ecosystems.

Acidic rain may have led to mass extinction 250 mn yrs ago

Researchers has revealed that rain as acidic as undiluted lemon juice may have contributed to massive die-offs on land millions of years ago.

Link between Pangea integration and biggest mass extinction revealed

A new study has revealed the mysterious relationship between Pangea integration and the biggest mass extinction that happened 250 million years ago.

How life recovered after mass extinction 262 mn years ago

A new research has studied how anomodonts responded after Permian mass extinction, about 252 million years ago.

Dinosaurs` lineage traced to Tanzania, Zambia

Newly discovered fossils from 10 million years after the mass extinction reveal a lineage of animals thought to have led to dinosaurs in Tanzania and Zambia.

Mass extinction in the Pacific due to humans

The arrival of human beings in the Pacific including New Zealand led to a rapid mass extinction of about 10 percent of the world`s bird species, a new study has revealed.

Lizards facing mass extinction from climate change: Study

Climate change could see dozens of lizard species becoming extinct within the next 50 years, a new research has warned.

Lack of food `not behind extinction of Saber-toothed cats`

Saber-toothed cats and American lions were not driven to extinction by lack of food, a new study has revealed.

Ups and downs of biodiversity after mass extinction unveiled

Marine animal groups like ammonoids and conodonts already peaked three or four million years earlier, namely still during the Ear-ly Triassic, researchers say.

Explosive evolution need not follow mass extinctions

A new discovery has challenged the widely held assumption that a period of explosive evolution quickly follows for survivors of mass extinctions.

Permo-Triassic extinction wasn`t that bad

Terrestrial biodiversity recovered much faster after mass extinction, which occurred between the Permian and Triassic periods, than previously thought.

Reefs coped mass extinction earlier than Earth

Researchers had always assumed it took the Earth as long as five million years to recover from the species collapse.