Hugh O'NeillSocial Links Navigation Latest articles by Hugh O'Neill Ancient Earth had a thick, toxic atmosphere like Venus — until it cooled off and became liveable By Antony Burnham, Hugh O'Neill published 20 December 20 Earth is the only planet we know contains life. Is our planet special? Venus Get the Space.com NewsletterBreaking space news, the latest updates on rocket launches, skywatching events and more!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MORE FROM SPACE...1US and UK militaries pick Rocket Lab's HASTE launcher to help test hypersonic tech2Rocket repurposed from intercontinental ballistic missile launches secret US spy satellites to orbit from California3Bipartisan US Planetary Science Caucus 'alarmed' by Trump's possible plans to slash NASA budget and block Mars Sample Return4NASA continues stacking its giant Artemis 2 SLS moon rocket (photos)5Glitch forces Japan's asteroid-sampling Hayabusa2 probe into protective 'safe mode' in deep space
Ancient Earth had a thick, toxic atmosphere like Venus — until it cooled off and became liveable By Antony Burnham, Hugh O'Neill published 20 December 20 Earth is the only planet we know contains life. Is our planet special?
