While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

Chrome is testing contextual search features, 'Ask about this page' and Google Lens search, in address bar of Canary, behind ...

House Minority Leader Hakeem Jeffries (D-N.Y.) is giving a big boost to the effort to ban members of Congress from trading ...