New analysis finds signs of life on Mars actually came from Earth
A pair of stubborn molecules, prized because they can survive deep time, just passed an important Mars test…
Mars Mission: A Stress Test For The Search For Life
The Murchison meteorite fell in Australia in 1969, breaking into numerous fragments. It belongs to the carbonaceous chondrite…
DNA’s Building Blocks May Have Arrived from Space, Asteroid Ryugu Samples Suggest
Samples returned by JAXA’s Hayabusa-2 mission from the C-type asteroid (162173) Ryugu contain all five canonical nucleobases —…