Investigators explore whether Russia colluded with pro-Trump sites in 2016

headlines US election / Investigators explore whether Russia colluded with pro-Trump sites Questions raised as to whether Trump supporters coordinated with Moscow to spread bogus stories aimed at discrediting Hillary Clinton Discrimination / She took on Tesla. Now others are speaking up: 'It's too big to deny' North Korea / Missile test a 'new threat to world', says US amid show of military force Trump's ban / Robot allowed into US for contest – but no visa for girls who made it Qatar / Economic outlook downgraded hours before crunch Gulf meeting 'Spiritual abuse' / Christian thinktank warns of sharp rise in UK exorcisms support the guardian Make a contribution By making a contribution, you'll be supporting independent journalism that speaks truth to power spotlight Tying loose ends? / Gravitational waves could solve string theory, study claims New paper suggests that the hotly contested physics thesis, which involves the existence of six 'extra dimensions', may be settled by cutting-edge laser detectors Billionaires dream of immortality. The rest of us worry about healthcare Jill Abramson Female-led future / What if women ruled the world? Baseball / The strange ambivalence towards MLB's home run blitz Why the Republican Party's climate policy obstruction is indefensible Dana Nuccitelli Have I got depression? / You asked Google – here's the answer Advertisement opinion Trump's lack of a North Korea strategy is drawing China and Russia closer Isaac Stone Fish Why do we think poor people are poor because of their own bad choices? Maia Szalavitz Is Brexit an error? Now even Vote Leave's chief is having doubts Jonathan Freedland sports NBA / Celtics pick up Hayward to strengthen their bid in the East EPL / Rooney in Everton talks over return from Manchester United Sagan's disqualification will hurt Tour but safety must come first William Fotheringham  Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396