How worrying is it that more and more…

Many are alarmed by the fast-rising popularity of vaping among teenagers in the US. But experts are divided on whether e-cigarettes should be more tightly regulated It is not known whether vaping leads people to…

Two new rogue planets that do not orbit…

An artistic impression of a Jupiter-like planet roaming in space without a starNASA/JPL-Caltech By Leah Crane Some planets float alone through space, with no sun and skies that are always dark. These rogue worlds are…