Earth is crossing the threshold of 1.5°C of global warming, according to two major global studies which together suggest the ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet’s history and require many complex processes working at once, according to new research.

One of these chunks of Mars eventually crashed into the Earth and is one of the few meteorites ... is providing new details about how the ancient Martian climate went from potentially suitable ...