Nearly four billion years ago, the earliest precursors of life on Earth emerged. First small, simple molecules, or monomers, banded together to form larger, more complex molecules, or polymers. Then ...

Astronomers have spotted an unexpected chemical heavyweight drifting through deep space - and it may offer new clues about how life gets started. Detected near the center of the Milky Way, the ...

WASHINGTON – Stick a shovel in the ground and scoop. That’s about how deep scientists need to go in order to find evidence for ancient life on Mars, if there is any to be found, a new study suggests.

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Complex molecules can be detected in interstellar space. They naturally form in dense clouds when the ...