One of the simplest hypotheses used to explain species coexistence is the competition–colonization trade-off, that is, species can stably coexist in a landscape if they show a trade-off between ...

Some invasive plants can form persistent banks of seeds that remain under the soil for years, and this makes their eradication practically impossible. Over time, this invisible population of large ...

Daniel Deudney is a professor of political science and international relations who wrote a book called Dark Skies where he makes the case that colonizing space will increase the risk of human ...