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.
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 ISTGlobal 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 ISTBiological 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 IST2 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 ISTChewing 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
The researchers said that the extinction events were linked to climate change caused by massive volcanic activity.
Mar 16, 2017, 20:53 PM ISTOne 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 ISTEarth 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 ISTIs 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 ISTSmaller 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 ISTNew 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