15-million-year-old pine cones still have the moves
Three ancient pine cones were found almost completely intact in coal mines.
Three ancient pine cones were found almost completely intact in coal mines.
Based on fossil evidence and genome analysis, scientists know that the two groups diverged from a common ancestor around 420 ...
Chris Hadfield is a (now retired) Candian astronaut - the first Canadian to walk into outer space; on 19 December ...