New research suggests there may be volcanic activity which caused a buildup of liquid beneath the South polar ice cap on Mars to stay liquid despite freezing temperatures.
The Hollywood icon has hit out at those who deny climate change, including US President Donald Trump.
On Twitter, SpaceX CEO and Lead Designer Elon Musk responded to a question on the price of his company's promised flights to Mars.
A new scientific survey has found the decline in insect populations is happening more quickly than previously thought and will have disastrous consequences for natural ecosystems and the food chain.
Democrat Congresswoman Alexandria Ocasio-Cortez has announced plans for sweeping legislative reform at a press conference in Washington, D.C.
The city of Townsville in North Queensland has been hit with calamitous flooding with a years' worth of rainfall coming in just nine days.
Trevor the duck had become a viral sensation, hailed far and wide as the "only duck in Niue".
At least 80 bodies have been recovered from the Córrego de Feijão mine in the southeast of Brazil but authorities are fearful that the death toll is set to rise dramatically.
Speaking at the World Economic Forum's summit in Davos, Switzerland, the iconic conservationist and documentary maker urged the audience to rethink its approach to the natural world.
Nevada City, California has turned to novel means to clear the flammable trees and bushes that could act as a tinder box if wildfires return.