Browsing Tag
prebiotic chemistry
5 posts
All 5 fundamental units of life’s genetic code were just discovered in an asteroid sample
Ryugu sample in its return capsule. JAXA Kliti Grice, Curtin University A new study reveals all five fundamental…
Are we the Martians? The intriguing idea that life on Earth began on the red planet
Seán Jordan, Dublin City University How did life begin on Earth? While scientists have theories, they don’t yet…
Did Cosmic Rays Decide the Shape of Your DNA?
The very twist of your DNA might be a direct consequence of a fundamental asymmetry in the universe, delivered to the primordial Earth by high-energy cosmic rays.
The (Possible) Cosmic Origins of DNA
The theory of pseudo-panspermia suggests that the essential building blocks of life, such as amino acids and nucleobases,…
Did Asteroids Seed Life?
Early Earth experienced violent asteroid impacts that vaporized oceans and altered the atmosphere, potentially creating conditions necessary for…