Could invisible aliens really exist among us? An astrobiologist explains

A popular suggestion for an alternative biochemistry is one based on silicon rather than carbon

We've been wrong about the origins of life for 90 years

New research suggests the "primordial soup" theory can't explain how living cells evolved to harness energy

Haloa there!

Rare microbial predators with voracious appetite form a new branch in ‘tree of life’: Study

Learning more about these undiscovered branches of life can help shed more light on the foundations of the living world and how evolution works

Krilling stuff

Scientists find a whole new world below ground

New research says that there is an entire subterranean biosphere teeming with 15-23 billion tonnes of micro-organisms

Better medium than big

'Arms race' and evolution

Flying on the edge

Population of bar-headed geese is at risk due to loss of its natural habitat, degradation of wetlands and large-scale hunting

Optical camouflage may just be possible now

The ways of optical camouflage

Marine medicine

A messy little marine pest can protect us from cancer, claim US scientists

The environment needs painters, too

The modern onslaught: talus being pulled down. They are earthen walls surrounding plots of land, and have trees planted on them

Microbes in extreme heat and cold hold lessons about life on Earth, and beyond

Microbes have the ability to survive in extremely hot and cold conditions. This makes them invaluable tools for research: they can teach us how …

Dying on the edge

To reduce human-animal conflict, a 14-km-long wall will be built along the southern border of Corbett Tiger Reserve. But wall will cost Rs 4.5 …

Tracking Tigers

The pugmark method of counting tigers in the wild is a tedious exercise. But this method really works amidst all modern criticism and technology

Fishing in truobled water

Does India need to import exotic fish species, when the experience with them has not been particularly good? Besides, the country already boasts …

New tail design

Planted music

Tiny tots

Hyping up proteins

Immunologists in Delhi adjuvanate proteins for heightening their immune response

Life in one dimension

The missing links to the awe-inspiring blooming of an embryo into an adult animal may be at hand

Bytes

Evolution with full stops and commas

Darwinian sapience takes a beating as the notion of 'punctuated equilibrium' - which postulates that evolution occurred in sudden fits and starts -…

India Carriers Inc

Wild foods

Wild fruits in the Himalayas could well be an answer to the nutrition and energy requirements of the region