A nighttime thermal image captured during flight activity involving a B-2 Spirit shows a sharply triangular aircraft that ...

A clean triangle in the sky is supposed to be the easy part to hide. Yet a sharply “Dorito-shaped” aircraft silhouette ...

New infrared footage has renewed speculation after a triangular-shaped aircraft was reportedly spotted over the Area 51 ...

Flurries of questions about mysterious triangle-shaped snowflakes may soon subside, thanks to new research on snowflake formation. Most snowflakes are hexagons because of the arrangement of hydrogen ...