A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution. In 1950 the Italian physicist Enrico ...

3D printing single objects out of different materials can be difficult, if those materials cure at different rates. The new Inkbit system addresses that problem, and has been used to print a complex ...

3I/ATLAS shows complex jet structures, including at least seven distinct jets and anti-tails. The object follows a rare retrograde orbit aligned with planetary orbits, with 0.2% chance. Its gas plume ...