The UFO Files: Nine never-before-seen videos of craft flying over California, Utah, Nevada and Arizona are revealed by researchers

I'm a tech expert... here's how to stop a cyberstalker from ruining your life

The science behind the 'perfect body': Surgeon reveals why our idea of  beauty went the 1950s 'hourglass' to today's tiny waist and inflated lips

Revealed: The surprising reason why almost no national flags feature the colour purple

First black man to train with NASA will finally make trip to space 60 years on aged 90 on Blue Origin rocket as oldest astronaut ever

I get paid to catch cheaters.. here's my 'loyalty check' to see if YOUR partner is unfaithful

Water firm criticised over 'scary' outbreak

The subtle change to bottled drinks that everyone's secretly furious about: Experts lift the lid on tethered plastic bottle caps - as users fume they're the 'worst thing to happen to humanity'

A strict ban on domestic cats could save the nation billions - and two-thirds of the country say they would support it

More Northern Lights soon as Sun storms strengthen

Scientist warns more powerful solar eruptions could hit Earth in 2025 - and cause the worst geomagnetic storm in 165 years

Scientists warn Americans could run out of groundwater by 2050 - 'causing food prices to rise'

Scientists warn California, Texas and many Midwest states could run out of groundwater by 2050 - 'causing food prices to rise'

Scientists warn California, Texas and many Midwest US states could run out of groundwater by 2050

New forecast reveals abnormal shift in US temperatures this summer - and the states worst hit