Huge impact could have smashed early Earth into a doughnut shape
25 May 2017
Many rocky worlds may have spent time as a newly named planetary form called a synestia – a loosely connected blob of molten rock and dust with a dented middle
25 May 2017
Many rocky worlds may have spent time as a newly named planetary form called a synestia – a loosely connected blob of molten rock and dust with a dented middle
16 May 2017
Some extremophile bacteria could survive the a crash-landing of a meteorite or spacecraft, helping them travel between worlds