When an invisible entity making up 85% of the universe’s mass stumps the greatest scientific minds of our time, awe is an understandable response. Physicists call it “ dark matter, ” a substance they ...

The agreement that President Trump struck with the European Union has cleared a major hurdle that delayed it for months. By Jeanna Smialek Reporting from Brussels In an era of chaos coming from the ...

Re: "Bible-Infused Reading List Too Exclusive," Tuesday Editorials. I applaud The Dallas Morning News Editorial Board for risking some readers' ire by asserting a previously uncontroversial opinion in ...

The government is still wrangling over a much-delayed plan for ordering the equipment needed to ensure the UK's armed forces are ready for war, MPs have been told. Ministers had promised to publish ...