Repulsive gravity as an alternative to dark energy (Part 1: In voids)
Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)
Four reasons why the quantum vacuum may explain dark matter
Infrared photosynthesis: A potential power source for alien life in sunless places
Photosynthesis—the harvesting of sunlight to produce energy—is the ultimate driver of virtually all life on the surface of our planet. Most photosynthetic creatures rely on optical light, the kind we see, to energize ...
Free-floating planets in the Milky Way outnumber stars by factors of thousands
A few hundred thousand billion free-floating life-bearing Earth-sized planets may exist in the space between stars in the Milky Way. So argues an international team of scientists led by Professor Chandra Wickramasinghe, Director ...