Arctic blast triggers freeze warning for millions as first snow arrives in several US states today

More from Science & Technology

• Mount St Helens triggers aviation warnings after winds whip up old volcanic ash into the skies

• Search for Jesus' tomb leads to discovery of ancient structure marking his burial site

• The healthiest meals in your supermarket's freezer aisle - from Sainsbury's to M&S, the short-cut dinners that are even better than the fresh version

• Want the iPhone Duo? You'll have to wait until JANUARY! Pre-orders sell out in record time as Apple fans flock to buy the £2,000 foldable

• Elon Musk unveils flying car: Crowd screams as new Tesla with rocket thrusters takes off and flips mid-air

• Could you survive being swallowed by a whale? As Whalefall hits screens, experts reveal what would really happen in the nightmare scenario

• 'This is a prank, right?' Social media is baffled by Tesla's flying car stunt - as one jokes 'car insurance companies are going to s*** themselves'

• Millions could face powerful hybrid cyclone off East Coast in just days, forecast models suggest

• Super El Niño has grown a second ARM: Ominous map reveals how the stretch of warm water in the Pacific Ocean has expanded

• Army sniper claims US troops killed 'reptilian beings' in battle near Area 51

• Would YOU eat chicken-fed salmon? Fish raised on poultry bones and brains could soon be sold in British supermarkets - but sceptics call the idea 'unnatural and disgusting'

• Anyone for seabass and chips? Scientists urge Brits to replace classic cod, haddock and hake with more sustainable alternatives

• Urgent warning to parents over baby swim floats sold on Amazon, eBay and Vinted - as they could put children at risk of drowning

• Path Jesus may have walked to his crucifixion unearthed after 2,000 years

• Out-of-this-world photos capture incredible 'space jellyfish'... can you guess what it really is?

• Time's up! Scientists vote to scrap the leap second - but will allow clocks to drift by an HOUR in huge shakeup

• Blackout warnings as furious 'devil winds' up to 80mph target millions in California

• Antarctica's 'Doomsday Glacier' is even more dangerous than we thought: Study says sea levels could rise TWICE as much as previous estimates

• The revenge of the ghosted! Study reveals the people who cut off contact often feel WORSE than their victims

• Scientists discover weakest points in Earth's invisible shield: Space 'tsunamis' reveal where dangerous solar storms can break through