If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.

Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

Moss is cool. Moss rocks! Moss lives everywhere in our gardens – in sun, shade and in between. Moss mulches for weeds, fills in the gaps, keeps water in place, sculpts landscapes, ...