Democratic presidential candidates will face their biggest challenge yet as voters from 14 states and American Samoa cast their votes on what in politics is called 'Super Tuesday.'

Joe Biden has soared to lead over Bernie Sanders in new polls heading into the next round of Democratic primaries and won the endorsement of former rival Cory Booker on Monday.

Former vice president Biden now holds a 20 point lead over Sanders in Arizona in a new Monmouth poll as a group of populous states prepares to vote Tuesday.

Super Tuesday III featured voters from three - not four - states heading to the polls, with Ohio's governor forcing a last-minute postponement of the primary due to the ongoing coronavirus outbreak.

Voters believe Donald Trump is responding to the coronavirus outbreak better than Joe Biden would if he were president, a poll released Wednesday revealed.

A police officer and several election officials were struck and three are in a critical condition at a hospital in Kandahar. The upsurge in violence began after Taliban talks with the US broke down.

Three quarters of young people in Britain have never heard of Mozart, a survey reveals. One in five think composer Johann Bach - who died in 1750 - is still alive.

A new report from the US National Oceanic and Atmospheric Administration says there is a 75 percent chance that 2020 will be the hottest year in recorded history.

Consumers will have had lots of time to mull over their prospective purchases. So, plenty to think about then, after Lexus took top honours in the latest Auto Express Driver Power poll.

Researchers studying the changes off of the coast of Canada have called the reduction in shipping something akin to a 'giant human experiment'.

In a study published this week by the Union of Concerned Scientists researchers say ride-hailing trips create about 69 percent more pollution on average than the trips they displace.

'At this moment in time, this is not the purpose God has for me,' Delaney , 56, said as he dropped out. The former Congressman had spent millions of his own fortune and spent most of his time in Iowa.

Before every UEFA match there is a meeting of 'emergency personnel' who run through what to do in the event of any major incident before or during the match.

Experts from the University of Reading found that cutting pollution in areas with heavy industry would lead to short term temperature spikes and heavier rainfall.

According to a recent survey, three out of five Americans are either unable or unwilling to use contact tracing technology that uses a phone's Bluetooth signal to track the spread of COVID-19.

Satish Achraya on... climbing poll prospects in Gujurat

Satish Acharya on... The Gujarat polls cyber battle.

Satish Acharya on... Modi's poll drive.

On the last day of campaigning for the high-voltage Gujarat assembly elections, PM Narendra Modi raised the pitch by taking a seaplane in the state - leaving him under fire from some.

The Bharatiya Janata Party (BJP) has been able to ward off a Congress onslaught and is all set to retain its bastion of Gujarat, according to the results of the India Today-Axis-My- India exit poll.

Of the 44 of the 294 constituencies, the Trinamool had forged ahead in 25

TMC is leading in 146 of the 204 constituencies

Supporters gathered outside Mamata's house and chanted slogans like Thanda thanda cool, cool; ghore ghore Trinamool'

Trinamool Congress (TMC) ahead in 200 of the state's 294 seats in West Bengal

BJP has finally achieved its objective of capturing power in Assam, a goal which it had been pursuing since the 1980s

West Bengal Congress chief Adhir Ranjan Chowdhury said that there were many reasons for the defeat and the party would review them

Chief Minister and party supremo Mamata Banerjee said that she will take oath on May 27

To read the results as a saffron surge or decimation of the Congress is to miss the big picture

Ajay Dey, who was previously elected from Santipur in Nadia district on Congress ticket, left the party to join Trinamool. But he was rejected by the voters this time

In this Assembly polls, BJP has not only garnered around 56 lakh votes, but has also made its presence felt in 262 out of 294 Assembly segments

NASA released a stunning video that recreates the Apollo 13 crew's view of the moon before an explosion occurred on the ship that made them abort the mission and return to Earth.

NASA and the European Space Agency have used pollution monitoring satellites to track the decrease in nitrogen dioxide levels over the past two months during the coronavirus outbreak.

Satellite images from the European Space Agency and NASA show a dramatic reduction in the amount of harmful greenhouse gas emissions in the atmosphere due to coronavirus shut downs.

Researchers from Colombia University found that the level of carbon monoxide, produced from vehicle emissions, had fallen by nearly 50 per cent.

Air pollution over the northeast region of the US declined by 30 percent last month compared to March 2019, as millions in the area are forced into lockdown to limit the spread of the coronavirus.

Wolverhampton is the first in the country to approve a trial of an AI-powered system that will manipulate red and green lights to restrict function to air pollution hotspots.

About 40 percent of homes in America have a gas stove, but a new report reveals the appliance may be bad for your health. They can cause cancer in adults and asthma in children.

While Kozhikode recorded 13.16% turnout till 9 a.m, it was 9.62% in Idukki and 8.21% in Thiruvananthapuram

Tight security has been put in place across the state with the deployment of about 52,000 police personnel from state police forces

CPI(M) leader V S Achuthanandan also asserted that his coalition was set to win the Kerala assembly election

Mammootty, his actor son Dulquar Salman and actor and BJP Rajya Sabha member Suresh Gopi were among the celebrities who cast their vote today

Earlier in the day, Prime Minister Narendra Modi urged voters in Tamil Nadu, Puducherry and Kerala to vote in record numbers

The state capital Thiruvananthapuram recorded the lowest of 44.93% till 3 pm

The BJP could get zero to three seats while one to four seats may go to others

The process was peaceful, while there were a few incidence reported

Kozhikode recorded the highest voting percentage at 81.89%

CPI(M) Polit Bureau member Prakash Karat said they do not generally go by the exit polls as they are "unreliable"

Ahead of counting of votes to decide political fate of five states, candidates were seen resorting to different means to calm their nerves Thursday morning

The two-month long campaign saw the ruling Congress-led UDF and CPI(M) headed LDF engaging in a fierce battle

According to Election officials, candidates from the Left Democratic Front (LDF) had forged ahead in 53 constituencies