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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The moon is also viewed as the next colonizable territory for the world, which has launched the U.S. into a fierce space race with ...

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 ...

ALBUQUERQUE, NEW MEXICO -- An initial step towards the creation of mass transit beyond our planet is the emerging public space travel market. At present, a number of technologies are being developed ...

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 ...