There are extraterrestrials among us. They landed four billion years ago when Earth was just forming. And they weren't humanoids with tall, slender bodies and dark, almond-shaped eyes. The aliens were ...

In a recent paper, a team of researchers considered the implications of ISOs being responsible for panspermia—the theory that the seeds of life exist throughout the universe and are distributed ...

Carbon is the building block for all life on Earth and accounts for approximately 45–50% of all dry biomass. When bonded with ...

Astronomers find large carbon molecules in space, offering new insights into life’s origins and the chemical precursors of ...

Did life begin suddenly in a chemical big bang, or did the ingredients come together slowly, bit by bit from a primordial soup? Science with sam explains Receive a weekly dose of discovery in ...

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 that created humanity wasn't divine? What if aliens brought life to Earth?