The remains of a glacier have been found near the Martian equator, suggesting that some form of water could still exist in a region on the red planet where humans may one day land.
The breathtaking dancing shimmer of the aurora borealis and its counterpart in the southern hemisphere, aurora australis, dazzles those lucky enough to catch a glimpse of Earth’s greatest light show.
Dangerous climate feedback loops are increasing global warming and risk causing a permanent shift away from the Earth’s current climate, according to a new study.
