A Mars probe spotted something weird during a dust storm
Future astronauts are going to want to know about this
8 billion people: How different the world would look if Neanderthals had prevailed
For 99% of the last million years of our existence, people rarely came across other humans
Sperm count drop is accelerating worldwide and threatens the future of mankind, study warns
Men in Latin America, Asia & Africa share a similar decline in total sperm counts & concentration as previously observed in Europe, North America & Australia