Space.com on MSN

Could a Mars crater have once hosted life? NASA's Perseverance rover finds more evidence it's possible

"The results reported here can be crucial when down-selecting which samples, if not all, are returned to Earth." ...
Nature

Apocalypse then: how cataclysms shaped human societies

Science journalist Lizzie Wade joins us to talk about her new book that investigates the seismic events that humans have faced through history.