A brain teaser shared on Instagram stumped users with its tricky logic about days of the week, sparking widespread online ...

Petrol, while important, is just one product derived from petroleum. It should not dominate our national philosophy.

I wanted to like OneNote, but Apple Notes just works better for my needs. It's simpler and more secure with smoother syncing ...

In 1843, William Rowan Hamilton had a four-dimensional flash of insight that still shapes our three-dimensional world.

In 1930, while en route to the UK to pursue a physics scholarship, a teenage Indian student solved a cosmic conundrum that ...

This tricky math puzzle with incorrect equations asks puzzle lovers to discover the hidden answer. Can you do it?

It was a cosmic conundrum that had left the world's foremost physicist puzzled, while a leading astronomer's efforts to help ...

Connections is the new puzzle game from the New York Times, and it can be quite difficult. If you need a hand with solving today's puzzle, we're here to help.