Mass extinction

Study offers new clues about the demise of dinosaurs

More than a meteorite.

Exploring shell life species after Earth’s largest extinction

Shell life species not competitors as they adjusted to Earth’s largest extinction.

Fossil discovery of a saber-toothed creature connects northern and southern hemisphere faunas

New top predator in town (at least, temporarily).

Biodiversity loss caused ecological collapse after the “Great Dying”

Biodiversity loss could lead to ecological collapse.

Patterns of mass extinction coincided with rapid decrease in marine oxygen levels

This evidence has important implications for modern deoxygenation and biodiversity declines.

Evolution of tree roots may have driven mass extinctions

Geologists find link between ancient, global-scale extinction events and modern threats to Earth’s oceans.

Dinosaurs killing impact triggered a “mega-earthquake” that lasted weeks to months

The amount of energy released in this "mega-earthquake" is estimated at 1023 joules

Most mass extinctions occurred after mega-eruptions

The impact of repeated eruptions over millennia.

Climate cooling contributed to sulphurous end for the dinosaurs

The gases were ejected into the Earth’s atmosphere after a six-mile-wide asteroid slammed into the planet.

Low volcanic temperatures led to the fourth mass extinction

Low volcanic temperature ushered in global cooling and the thriving of dinosaurs.

Rock samples record the first day the dinosaurs wiped out

That’s the scenario scientists have hypothesized.

Dinosaurs were thriving before asteroid strike that wiped them out

Scientists believe that an asteroid impact, potentially combined with serious volcanic movement, wiped out the dinosaurs at the end of the Cretaceous period. Although,...

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