This Dollar Tree manager is sick of people being reckless in his store—so he issued a PSA that’s going viral. Dollar Tree is a popular dollar-store chain with locations all around the nation.

The micro-compact 9mm pistol ... new Aimpoint COA red dot. This is a new durable enclosed-emitter sight with a large window. Rather than simply use Glock’s existing MOS optic mounting system, which ...

An international team of astronomers reports the discovery of a new compact galaxy group using the Atacama Large Millimeter/submillimeter Array (ALMA). The new group, designated CGG-z4 ...