Hugh O'Neill 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...1Astronomers discover a galaxy frozen in time for billions of years: 'Fossil galaxies are like the dinosaurs of the universe'2Was ancient Mars habitable? NASA's Perseverance rover is grinding into a 'weird, uncooperative' rock to find out3'The sun is dying!' Ryan Gosling tries to save a doomed Earth in 1st trailer for 'Project Hail Mary' (video)4'Apollo 13' turns 30: How NASA legend Gerry Griffin helped director Ron Howard 'get it right'5Get ready to photograph the Buck moon on July 10 with the Nikon Z6 II, now $600 cheaper on this pre-Prime Day deal!
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?
