Into the neutrino fog: The ghosts haunting our search for dark matter

Ciaran O'Hare scribbles symbols using colored markers across his whiteboard like he's trying to solve a crime—or perhaps planning one. He bounces around the edges of the board, slowly filling it with ...

Olympic rings represent the continents. Why are there 5 instead of 7?

The Olympic rings are among the most recognizable logo in the world. But what do the five rings mean? You might be surprised to know the history.

Coral, fungi and butterflies: check out the winners of the close up photographer contest

The winners of the seventh edition of the Close-up Photography of the Year (CUPOTY) contest have been announced. This year's ...

How hieroglyphs became the sacred script of the ancient Egyptians

The Egyptians believed that hieroglyphs offered magical protection to people in this life and the afterlife, and inscribed the signs on monuments, statues, funerary objects, and papyri.

Here’s what the Olympic rings actually stand for—and what its colors mean

The iconic symbol has been around for more than 100 years, but you might be surprised to learn the real meaning behind the ...