From the ancient Assyrians and Greeks, to the greatest minds of the Renaissance, and up to the billionaire space explorers of the 21st century, incredible amounts of time and effort have gone into ...

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the ...

A massive Mars meteorite sold for a record-breaking $5.3 million at a Sotheby’s auction, making it the highest selling meteorite ever.