For decades, software developers have been slipping jokes into their work. One of the most enduring, clever, and geekily satisfying inside jokes has been hiding in plain sight: the recursive acronym.

Making fire on demand was a milestone in the lives of our early ancestors. But the question of when that skill first arose ...

Archaeologists have discovered what may be the earliest evidence of deliberate fire-making.

Our team tested more than 1,200 products this year, and only 17 received an 'exemplary' 5-star rating. Here's a look at the ...