These giant ‘drop bears’ with opposable thumbs once scaled trees in Australia. But how did they grow so huge?

Scientists look into skeletons of huge tree-dwelling herbivorous marsupials, known as Nimbadon

Bringing woolly mammoths back from extinction might not be such a bad idea — ethicists explain

Mammoth-like creatures could help restore this ecosystem by trampling shrubs, knocking over trees, and fertilising grasses with their faeces

Extinct but not gone — the thylacine continues to fascinate us

Aboriginal peoples hold intergenerational knowledge of thylacines, 3,000 years after their extinction on mainland Australia

Simply put: India's 'save dinosaur' project

New dinosaur species

Blow hot, blow cold

So, were dinosaurs warm-blooded or not?

Why the cheetah may never come back to India?

The year India became independent it also lost all its cheetahs. In 1947, India's last two Asiatic Cheetahs were shot dead in erstwhile princely …

Dinosaur dawn

Eight hearts do the work of one

US scientists postulate the Barosaurus needed more than one heart to pump blood throughout its 15-metre height

Diamonds for dinosaurs

Splash!

It was huge. And it was heading straight for Earth. Astronomers said the end was here. Frantic revisions of their calculations later showed that …

New facts unearthed about impact of Polynesian settlement on New Zealand’s fauna

Researchers found evidence of 14 species of native animals that are extinct now by analysing DNA from fossils

A treasure in eggs

Bad blood

Tales in stone

Palaeontologists have found what they had been looking for: a near-perfect dinosaur fossil from the Jurassic Age. They might finally be able to …

Unique birds are at a higher risk of going extinct, finds study

Threat of extinction can have severe consequences on ecosystem functioning 

Australia’s mean temperature rises, finds government ‘State of the Environment’ report

Australia’s mean temperature has risen by roughly 1.4 degrees Celsius, since 1910

This Hawaiian tree snail is the first extinction of 2019

George, of the species Achatinella apexfulva, died on New Year’s Day, 2019

Russia to bring woolly mammoths back from the dead

The government of a remote region in Siberia is planning to build a “Jurassic Park” where cloned woolly mammoth, cave lions and other …

One in eight bird species in the world faces extinction: study

A study on the state of birds globally says agricultural expansion and deforestation are one of the major reasons for this

What if the Lazarus returns

We may never be able to bring extinct species back to life. Yet, scientists are drawing up secret plans for their resurrection

Ancient giraffe relative was the largest cud-chewing mammal on Earth

With an estimated adult body mass of almost 1,250 kg, this relative of modern ruminants lived in the Himalayan foothills more than one million …

Dinosaur nesting site

Bolivia's Jurassic park

Impact sans disaster