Scientists have discovered the farthest-ever 'mini-halo,' a sea of charged particles around a distant galaxy cluster that ...

That continuous sound makes felines unique in their ability to purr. Domestic cats ( Felis catus ), however, aren't the only ...

Yet some regions are far enough from tectonic plate boundaries to contain rocks that have remained unchanged for billions of ...

The smallest species of whale tricks its predators by gushing red gallons of red fluid into the water when under attack ...