From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

NASA’s Perseverance rover will cache this pristine sample and others for return to Earth, which will “change everything for Mars science.” NASA’s Perseverance Mars rover has collected its first sample ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...