The venture, privately funded to start, is now run by the University of Arizona. And today, scientists there are quietly ...

Micrometeorites raining down from space may have provided the perfect surfaces for the first primitive cells to form on Earth ...

When scientists brushed aside the dusty soil in 2022 to reveal a saber-toothed skull, they had no idea it would upend ...

Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...