Venus will be at its brightest in the morning sky — just 67 days after it was at its brightest in the evening sky. Here's why ...

The most advanced fighter jets in the world are known as "fifth generation". They contain technologies developed in the first ...

The James Webb Space Telescope has pointed its infrared optics at the 'Crystal Ball Nebula' NGC 1514, a planetary nebula ...

Easter-egg decorating is an ancient tradition with deep roots extending at least into the medieval period of European history ...

Another hypothesis is that contagious yawning evolved to keep groups in sync. Yawns follow a natural circadian rhythm and ...