Interbreeding between tomato plants and potato-like species from South America about 8-9 million years ago gave rise to the modern-day potato (Solanum tuberosum).

Named L 98-59f, this planet is a non-transiting super-Earth with a minimal mass of 2.8 Earth masses on a 23-day orbit inside the habitable zone of the small red dwarf L 98-59.

In a new paper, Penn State Professor Victor Pasko and his colleagues described how they determined strong electric fields in thunderclouds accelerate electrons that crash into molecules like nitrogen ...