It's highly unlikely life started organically on Earth, one expert suggests. But an extraterrestrial intervention might ...

This theory was the brainchild of Francis Crick (yes, the one who helped identify DNA) and Leslie Orgel, the originator of ...

Does the existence of life on Earth tell us anything about the probability of abiogenesis — the origin of life from inorganic substances — arising elsewhere? That’s a question that has confounded ...

Kristin is a science journalist in New York who has lived in DC, Boston, LA, and the SF Bay Area. Most recently, Kristin worked for PBS Newshour and National Geographic writing about science and ...

Jordi Paps does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

If you were raised religious, you might have heard this biology “lesson” before: A student is handed a paper bag and a ball point pen. The teacher dismantles the pen into a pile of plastic and metal ...

The speed at which life appeared on Earth intrigues scientists. A new study suggests this phenomenon could be common in the universe. David Kipping, an astronomer at Columbia University, analyzed ...

Scientists have known about the ‘formose reaction’ for 160 years. New research shows how it could have played a key role in the creation of life. The question of how difficult it is for life to emerge ...