Rocks from Canada, Greenland, and Hawai'i have less of the already rare isotope potassium-40 than those from the rest of the Earth. The scientists who discovered this fact consider it evidence that ...

"It is incredible that modern telescopic surveys have the ability to detect such small objects up to millions of kilometers away." When you purchase through links on our site, we may earn an affiliate ...

Imagine a planet where giant beast creatures ruled, owned the television and radio broadcasts, and covered the oceans. Hundreds of millions of years earlier than the arrival of the very first human ...