life on Earth
Life Might Thrive on the Surface of Earth for an Extra Billion Years
The Sun is midway through its life of fusion. It's about five billion years old, and though its life is…
A Surprising Source of Oxygen in the Deep Sea
I have always found Mariana’s Trench fascinating, it’s like an alien world right on our doorstep. Any visitor to the…
Evolutionary Biology: Why study it? What can it teach us about finding life beyond Earth?
Universe Today has had the incredible opportunity of exploring various scientific fields, including impact craters, planetary surfaces, exoplanets, astrobiology, solar…
Ammonites Were Doing Fine Until the Asteroid Hit
I must confess, I think asteroids and I think of movies like Deep Impact or Armageddon! Scientists think that an…
Moon Lander Detects Technosignatures Coming from Earth
The search for life has to be one of the most talked about questions in science. The question is, what…
Did Earth’s Multicellular Life Depend on Plate Tectonics?
How did complex life emerge and evolve on the Earth and what does this mean for finding life beyond Earth?…
Cosmic Dust Could Spread Life from World to World Across the Galaxy
Does life appear independently on different planets in the galaxy? Or does it spread from world to world? Or does…
Nearby Supernovae Were Essential to Life on Earth
It's almost impossible to comprehend a supernova explosion's violent, destructive power. An exploding supernova can outshine its host galaxy for…
The Early Earth was Really Horrible for Life
Earth has had a long and complex history since its formation roughly 4.5 billion years ago. Initially, it was a…
When Did Photosynthesis Begin?
Sometime around 2.4 billion years ago, a nascent planet Earth underwent one of the most dramatic changes in its history.…