A sleeping ultramassive black hole, 36 billion times the Sun’s mass, is warping light 5 billion light-years from Earth.

Is water in a box really better for the environment? What about sneakers labeled eco-friendly? How about green-accented soap bottles with plant visuals? These words and images may look environmentally ...

Rejection is where waste cannot be recycled because it is contaminated - often by residual food waste - or by materials not routinely recycled by the council put in collection bins. The figures ...

New silencer at tunnel mouths may end the deafening ‘tunnel boom’ and make China’s 370 mph maglev trains quieter, safer and more eco-friendly ...