Ancient DNA Reveals Irish Goats Have a 3,000-Year-Old Lineage Still Alive Today

A new modelling study finds that roughly 100 microbial cells per year may be delivered to Venus's clouds via rock ejected from Earth by asteroid impacts, suggesting that if life is ever discovered in the Venusian atmosphere, it could have originated on Earth.

250-million-year-old fossil proves mammal ancestors laid eggs

Scientists Make Breakthrough on 40-Year-Old 2D Physics Puzzle