universetoday.com
How Long Will Life Survive on Earth? - Universe Today
Life has existed on Earth for billions of years, appearing shortly after the planet had cooled and liquid water became available. From the first bacteria to the amazingly complex animals we see today, life has colonized every corner of our planet. As you know, our Sun has a limited lifespan. Over the next 5 billion … Continue reading "How Long Will Life Survive on Earth?"