Physicists have shown that extremely light particles known as axions may occur in large clouds around neutron stars. These axions could form an explanation for the elusive dark matter that ...
The US has announced a new $425mn military aid package for Ukraine, as President Joe Biden tries to surge security assistance to Kyiv before his term ends and is possibly succeeded by Donald Trump.
An analysis of leaf litter breakdown in climatically diverse habitats shows that decomposition by larger invertebrates dominates in hot, dry regions and warmer seasons. Researchers have shown that ...