How will life on Earth end?

Asteroid strikes, supernovae blasts, and other calamities could take out humanity. But no matter what, a cataclysmic event 1 billion years from now will likely rob the planet of oxygen, wiping out life.

How long until all life on Earth dies? - Big Think

How Long Will Life On Earth Survive? End Of The World

The Four Ways The Earth Will Actually End

How humans might outlive Earth, the sunand even the universe

These Threats From Outer Space Could End Life on Earth

Did Scientists Just Discover How The Earth Will End?, Unveiled

Life on Earth, and the entire planet, will meet its ultimate end - Big Think

How Much Longer Can Earth Support Life?

Journal: Life on Earth Will End in 1.75 to 3.25 Billion Years

2012: Is Planet X on collision course with Earth?

Will the Earth last forever?

It's the end of the world as we know it – again