A new look at the 13th-century Stone of Destiny reveals mysterious markings and other 'anomalies' that previously went unnoticed.
The environmental impact of aspirational recycling, where people try to recycle items that can't be recycled, can do more harm than good.
Deforestation is forcing hellbender salamander dads to eat their young.
The moon is slowly creeping away from Earth, but will we actually lose the moon before the sun turns into a red giant and destroys us both?