Oxygen levels on early Earth fluctuated several times
Oxygenation of the Earth Earth was a complex process of repeatedly trying and failing over a vast stretch of time.
Einstein's gravity theory passes extreme test: Study
Einstein's insights into gravity still hold sway, even in one of the most extreme scenario.
Mars valleys were created by run-off rainwater: study
The atmosphere on Mars may have been much denser about 3.6 to 3.8 billion years ago than it is today.
Japan space explorer makes it to asteroid for collecting samples
The unmanned Hayabusa2 spacecraft reached its base of operations about 20KM from the asteroid and some 280 million KM from Earth.
Chimps, other primates on verge of mass extinction
Primates live in tropical and subtropical areas and are mainly found in regions of Africa, South America, Madagascar and Asia.
Boulder-size asteroid disintegrated harmlessly over Africa
All three asteroids were discovered through the Catalina Sky Survey near Tucson, Arizona.
Contribute consciously to save the environment
Contribute to the environment by consciously making small efforts.
Here are 3 ways human civilisation could go extinct
According to researchers, humanity could go through a soft landing, a gradual die off or full blown collapse.
Dino-killing asteroid caused Earth to heat up for 1,00,000 years
The monumental event is a rare case where Earth's systems were perturbed at a rate greater than what's occurring now from human activity.
Earth may become 4 degrees warmer by 2084, says study
Increase translates to more annual and seasonal warming over land than over ocean, with significant warming in Arctic, researchers said.