Astronomers have discovered an earth-sized exoplanet, designated TOI-2431 b, that is so close to its host star that it completes a full orbit in just...
Saturn’s gravity keeps vacuuming up its own stunning rings. NASA scientists have estimated how fast this process happens. The rings lose six Olympic-sized...
When Charles Darwin formulated his theory of evolution, he appealed to the logic of ancestry, the evident diversity of species, and the magic of time....