A Canadian entrepreneur sold his tech company for millions, then spent $1.5 million building tiny homes for people without homes

'Combine our strengths': EU, Ukraine sign multi-billion 'drone deal' to counter Russia

How elephants turn footsteps into messages

Through the ground, elephants send and receive vibrations, a unique way of communicating that surpasses traditional airb…

Saudi Arabia is building a giant car-free region beside the Red Sea, but its futuristic city plans h…