Mass extinction

Here's how dinosaurs could have survived mass extinction

Here's how dinosaurs could have survived mass extinction

The impact of the asteroid caused a crater 180 km wide and heated organic matter in rocks and ejected it into the atmosphere, forming soot in the stratosphere.
 

Nov 11, 2017, 15:24 PM IST
Asteroid behind extinction of dinosaurs also responsible for cooling Earth: Study

Asteroid behind extinction of dinosaurs also responsible for cooling Earth: Study

The study lends support to the hypothesis that the impact played a significant role in the Cretaceous-Paleogene extinction event that eradicated nearly three-quarters of Earths plant and animal species

Nov 02, 2017, 17:47 PM IST
Global mass extinction date predicted!

Global mass extinction date predicted!

While many scientists argue that the sixth mass extinction has already begun, the total number of species that have disappeared from the planet comes nowhere near the most apocalyptic events of the past and the rate of species loss is comparable.

Sep 21, 2017, 10:56 AM IST
Biological annihilation: Earth undergoing sixth mass extinction

Biological annihilation: Earth undergoing sixth mass extinction

Calling the loss of wildlife a "biological annihilation" that represents a "frightening assault on the foundations of human civilisation", they say billions of regional or local populations have been lost.

Jul 11, 2017, 15:38 PM IST
2 million-year-old mass extinction event wiped out a third of marine life!

2 million-year-old mass extinction event wiped out a third of marine life!

As many as 43 percent of sea turtle species were lost, along with 35 percent of sea birds and nine percent of sharks.

Jun 27, 2017, 19:03 PM IST
Chewing like cows helped early mammals survive mass extinction

Chewing like cows helped early mammals survive mass extinction

 Pitch rotation results in basic up and down movement, and yaw rotation results in side-to-side, crosswise motion like a a cow munching away on grass.

Mar 28, 2017, 00:45 AM IST
'Great Dying' was followed by more extinctions

'Great Dying' was followed by more extinctions

The researchers said that the extinction events were linked to climate change caused by massive volcanic activity.

Mar 16, 2017, 20:53 PM IST
One of Earth's biggest mass extinctions the result of ice age, not global warming!

One of Earth's biggest mass extinctions the result of ice age, not global warming!

It is the first time that the various stages of a mass extinction have been accurately understood and that scientists have been able to assess the major role played by volcanic explosions in these climate processes.

Mar 07, 2017, 20:13 PM IST
Earth totally unprepared for surprise asteroid or comet strike, warns NASA scientist (Watch video)

Earth totally unprepared for surprise asteroid or comet strike, warns NASA scientist (Watch video)

As per reports, an award-winning NASA scientist had warned that human race at this moment remains ill-prepared for any life-threatening event from outer space.

Dec 15, 2016, 10:59 AM IST
Is the world approaching a sixth mass extinction event? Scientists confirm signs!

Is the world approaching a sixth mass extinction event? Scientists confirm signs!

Authors of the study are shocked because this kind of pattern hasn't been seen before in the half billion years of the animal fossil record.

Sep 19, 2016, 09:22 AM IST

Smaller species may go extinct without fossil trace

The fossil record is much more durable than any human record, says researcher.

Mar 22, 2016, 12:16 PM IST
New species of reptile identified from 250 mn-year-old fossil

New species of reptile identified from 250 mn-year-old fossil

Scientists have discovered a new fossil reptile that lived 250 million years ago in Brazil, which may help understand the origins of dinosaurs, flying reptiles and crocodiles.

Mar 12, 2016, 16:33 PM IST

Animals, not catastrophe, caused first mass extinction

The rise of early animals, not meteorite impacts or volcanic eruptions, led to the world's first known mass extinction, which took place about 540 million years ago, suggests new research.

Sep 03, 2015, 17:40 PM IST
Watch: How did dinosaurs become extinct?

Watch: How did dinosaurs become extinct?

Dinosaurs have always been a subject of great curiosity. All of us have been wondering what these mega creatures looked like roaming the Earth and how did they eventually got extinct.

Aug 19, 2015, 17:53 PM IST

During mass extinction, no species safe: Study

Dominant species spread across the globe are just as vulnerable during a mass extinction event as more fragile ones confined to a single locale, according to a study published Tuesday.

Aug 12, 2015, 01:11 AM IST

Dinosaurs' extinction gave rise to modern fish: Study

Paleontologists have determined that ray-finned fish - the world's most diverse vertebrates - began their dominance in the oceans 66 million years ago after the mass extinction that wiped out dinosaurs from the Earth.

Jul 01, 2015, 12:16 PM IST
Sixth mass extinction has begun: Study

Sixth mass extinction has begun: Study

The world is witnessing the sixth mass extinction that threatens even our very own existence, warns a new study.

Jun 20, 2015, 11:23 AM IST
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.

Apr 02, 2015, 12:36 PM IST
Did dark matter trigger mass extinctions on Earth?

Did dark matter trigger mass extinctions on Earth?

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.

Feb 20, 2015, 14:54 PM IST
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.

Dec 15, 2014, 11:19 AM IST