While we have sent probes billions of kilometers into interstellar space, humans have barely scratched the surface of our own ...

April 19, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend. When you purchase through links on our site, we ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

Identifying signs of life in ancient rocks is hard. It is not enough to find organic molecules—rocks of all sorts contain them but “organic” just means the molecules contain chains of carbon atoms.