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...1China test-fires 5 new rocket engines in a single day. But what are they for? (video)2SpaceX will launch 2 private lunar landers this week, kicking off busy year for moon missions3Smart robot helps out astronauts on China's Tiangong space station (video)4Astronomers investigate black hole jets with Event Horizon Telescope5'Dune: Prophecy' showrunner and Harkonnen stars dissect a stellar first season (exclusive)
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?