The Natural History Museum of Denmark houses a unique collection of 70,000 pieces of amber from various time periods.

In recent decades, scientists have debated whether a seven-million-year-old fossil was bipedal—a trait that would make it the ...

Prehistoric sea cows, a mouse-sized opossum, a smiling deep-sea fish and live-birthing toads highlight a year of discoveries ...

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.