Amazon S3 on MSN

Suppose aliens brought life to Earth

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand ...
Trace Dominguez on MSN

Scientists just expanded the DNA alphabet

Scientists have successfully created DNA with more than four base pairs—and it works. This video explains how and why that ...
Planets larger than Earth but smaller than Neptune – so called sub-Neptunes – are the most common type of known exoplanet. It ...
In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...
New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...
But can we use telescopes to detect whether any of these distant worlds also harbour life? A promising method is to analyse the gases present in the atmospheres of these planets. We now know of more ...
"His unconstitutional crusade against me sends a chilling message to every retired member of the military: if you speak out ...
We asked 11 academic experts to share the book that challenged their assumptions and changed their thinking in a lasting way.
The British Journal of Photography has announced the winners of Portrait of Britain Vol. 8. The contest, which began in 2016, ...