Phytoplankton numbers have fallen across the world over the last century, particularly towards the poles and in the open oceans.
Physicists count the number of atoms to measure temperatures that are a few billionths of a degree above absolute zero.
Worlds of the approximate size of Earth appear to dominate our Milky Way.
A quasar is observed to act as a gravitational lens for the first time, which allows an estimate of the mass of the galaxy hosting the quasar.
A star with 265 times the mass of our Sun is discovered, the heaviest one discovered to date.
The site has undergone an overhaul. For anyone browsing the site, the big change is the new theme. There are also changes under the hood: a better and cleaner way of accessing the article nodes should decrease the load on the web server.
