A Source of Mysterious Repeating Radio Signals From Space Has Been Identified
Researchers say the discovery could be a “Rosetta stone” for cosmic signals.
A Collision With Another Planet Could Have Allowed for Life on Earth
Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from outer space—specifically via a collision with a Mars-sized planet billions of years ago.
Scientists Recreate the Conditions That Sparked Complex Life
Evolution was fueled by endosymbiosis, cellular alliances in which one microbe makes a permanent home inside another. For the first time, biologists made it happen in the lab.