Interesting research to the Fermi Paradox and how fast settlement of our Galaxy can be done in various scenario's. Also, animations! The simulation shows a significant fraction of a galaxy can be settled in a relatively short period of time, even with ships traveling no faster than the Voyager spacecraft …

Almost a week ago, the massive Arecibo Telescope (part of the Arecibo Observatory) collapsed. It used to be an impressive dish lying flat in the lush green forests of Puerto Rico. The construction already was deemed dangerous and was planned to be demolished, but the event still came as a …