Security experts have warned that using Signal for discussions of this nature violates every established protocol for handling classified information.
Confronted by outrage in Greenland, the US has scaled down a proposed visit to the island.
The sturdiness of the headgear saved Nizar's life after Gujarat's Arzan Nagwaswalla's full-blooded shot hit flush on the state emblem on his helmet in the Ranji Trophy semi-final in Ahmedabad on Friday.
The Nobel Prize in Chemistry 2012 was awarded jointly to Robert J. Lefkowitz and Brian K. Kobilka "for studies of G-protein-coupled receptors"
The funeral of Australian Test cricketer Phillip Hughes began to the strains of a song entitled "Forever Young" in his home town on Wednesday as a nation united to celebrate the life of a sportsman cut down in his prime.
Australia bid an emotional farewell to cricketer Phillip Hughes at a funeral in his hometown on Wednesday with a live coast-to-coast broadcast allowing a nation to unite in celebration and remembrance of the life of a sportsman cut down in his prime.
Despite the death of Mitchell Johnson's former team mate Phillip Hughes, the likelihood is he will unleash a similar barrage on India should the first Test go ahead.
As the global cricket community prays for Australia cricketer Phillip Hughes' recovery from a severe head injury, fast bowlers rushed to the defence of Sean Abbott, whose short-pitched ball struck the batsman and left him fighting for his life.
The records set by Australia's Ashton Agar and Phil Hughes against England during the first Ashes Test at Trent Bridge, Nottingham on Thursday.
The injury that left Australian batsman Phillip Hughes in a critical condition in hospital was a "rare" event but a reminder that cricket has always been a dangerous sport, West Indies batting great Brian Lara said on Wednesday.
A private funeral service was held for Warne's closest friends and family in Melbourne last week but all were invited to Wednesday's televised memorial where his father Keith mourned the loss of "a loving and caring son" and his former team mates remembered a fierce and mischievous competitor.
One of cricket's greatest players passed into the ages on Monday. Rediff.com salutes the legend.
'When I came into the process, there was a treatment and in the treatment, there are always stories and parts that take place in Mumbai.'
Take a look at the sea of women who came out...
Rediff.com brings you a collection of some of the best sports images from around the world...
Statistical highlights on the fifth and final day of the opening Test match between India and Sri Lanka, in Kolkata, on Monday.
Who won at the Globes? We tell you!
The Argentinian becomes the first brand ambassador of the company in its 70-year history.
Wales will move higher than their richer rivals and neighbours England when the new FIFA rankings are announced after Euro 2016, the first sign for what, many predict, will be a bright future after they made history at the tournament. Playing in their first finals since 1958, the Welsh reached the last four of a major tournament for the first time and are expected to move up close to the top 10 countries in the world rankings.
New York Stock Exchange President 38-year-old Tom Farley (ranked 7) and Twitter co-founder and CEO 37-year-old Jack Dorsey.
Indian cricket's fortunes ebbed and flowed in 2015 with Virat Kohli successfully leading the national side in Tests and Mahendra Singh Dhoni appearing to be losing his midas touch, while in off the field drama Shashank Manohar returned as the president of Board of Control for Cricket in India.
Dani Alves has blamed the media for Brazil's unsuccessful World Cup campaign but conceded that the team did not prepare properly ahead of the humiliating 7-1 defeat by Germany in the semi-final.