New research offers a potential explanation for the formation of early Earth protocells. Few questions have captivated ...

Earth, between sweltering Venus and frozen Mars, formed and orbits within a band where water could persist in solid, liquid, and gaseous phases. Mars had surface water, but not as much as Earth, and ...

Scientists have found what seems to be the oldest direct evidence of hot water flowing on Mars during its ancient past. The ...

Scientists have calculated the Earth to be 4.54 billion years old, with an uncertainty of 50 million years on either side.

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

All known life forms are made up of cells enclosed by lipid membranes that separate and protect the cell’s contents. The ...

And the earth was without form and void, and darkness was upon the ... Voyager 1 officially reached interstellar space in 2012, and Voyager 2 did so in 2018. But it will be many thousands of ...

How would we know whether there is life on Earth ... way to form a rectangle using those two prime numbers. Any entity receiving the message would need to work that out. If they did, the embedded ...

Our ancestors had no problem with the idea that the sun would rise and set every day, providing light and warmth, forever.

However, we did not find evidence for photosynthesis (which some bacteria ... and life itself must have evolved rapidly, almost right after the Earth was formed. Our reconstruction of Luca is not the ...