Over two billion years from now, Earth will no longer be able to sustain life. A new study looks at how much life has ever existed and what this means for the discovery of new life-supporting planets.
The question of how difficult it is for life to emerge is interesting – not least because it can shed some light on the likelihood of finding life on other planets.
Eventually weather, pests and disease will take their toll, but the story doesn’t end there.
Emanuel David / 500px via Getty Images
Astronomers have long known where water is first formed in the universe and how it ends up on planets, asteroids and comets. A recent discovery has finally answered what happens in between.
Our universe is just right for structure such as galaxies, planets and life to form.
NASA/James Webb Telescope
As material objects, diaries give scholars an intimate look into their subjects’ lives, including handwriting and mementos. What if diaries in the future are nothing but insubstantial digital ghosts?
Some people seeking to influence public opinion about abortion rights claim the science is clear. It’s not, and that means abortion remains a political question – not a biological one.
NASA’s Mars 2020 mission has arrived and landed the Perseverance Rover on the red planet. The rover’s goal is to collect rock and soil samples to be brought back to Earth in the future.