Anyone who steps onto Mars will be crossing a one-way threshold in more ways than one. The physics of getting there and back, the biology of living in low gravity, and the psychology of leaving Earth ...

Can you solve the elementary school problem that divided the internet in less than 30 seconds? Test your might in this ...

Known to online followers as Tea Tyme, Tynesha McCarty-Wroten was arrested in connection with the Nov. 3 death of Darren ...

Step inside the strange world of a superfluid, a liquid that can flow endlessly without friction, defying the common-sense ...

What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people ...

We asked two experts of shattering top speed records what the biggest problems are facing their next attempts.

Scientists reveal a hidden brain code that tracks distance and time in the dark, offering new insight into navigation and ...

Finally, in this puzzle from May 27, every Across answer in this puzzle is thematic. It took the most time to make of any ...

Abstract: Pickup and Delivery Problem with Time Windows (PDPTW) is a prevalent research direction in modern logistics transportation. In this challenging problem, customers are divided into pickup ...

A new technique breaks Dijkstra's 70-year-old record: it finds routes faster in huge networks, changing graph theory forever.