"Consciousness," although challenging to define, can be thought of as a first-person awareness of one's surroundings and ...

We have only one example of biology forming in the universe—life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like?

The origins of life on Earth have long fascinated scientists, particularly the nature of the last universal common ancestor (LUCA). LUCA, the root of the evolutionary tree from which Bacteria and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A new study suggests ...

The evolution of humans on Earth may not be entirely exceptional. That is because intelligent life is likely to form if certain planetary conditions are met, a new study suggests. This idea displaces ...

About 700 million years ago, enormous glaciers flowed across the Earth's surface in powerful frozen rivers like "giant ice bulldozers" that pulverized our planet's crust and may have contributed to ...

They’re the building rocks of life. Analysis of debris from the nearly 5 billion-year-old asteroid Bennu suggests the ingredients to life on Earth were present in the early days of our solar system, ...

Surface-bound gels may have offered the structure and chemistry needed for life to take hold on Earth—and possibly elsewhere.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

"It's insane that something is from space can have that kind of an impact on our electronics. So we're thinking, okay, how does that have a potential impact on other aspects of our life?" When you ...