astrobiology

Ancient spheres of iron oxide called Moqui marbles from the American Southwest are giving insights into the formation of similar structures on Mars.

A rare shower of red rain fell for about 15 minutes in the city of Kannur, Kerala, early on June 28. Local residents were perturbed, but this is not the first time the state has experienced colored rain.

Complex hydrocarbons inside several meteorites from Mars did not originate from biological processes but instead from cooling lava, according to a new international study to be published in Science on May 25.

The distribution of microbes deep below the Chesapeake Bay crater has led scientists to speculate that similar environments on the Red Planet may yield information about its past and present habitability.

A new method for finding life on other planets has been developed by measuring the reflection of Earth’s light onto our moon.