Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

A breakthrough experiment, published in the Proceedings of the National Academy of Sciences, offers compelling support for ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

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, ...

"This is the story of Earth like you’ve never seen it before—from the first spark of life to prehistoric monsters to the rise of humans… and all the weird stuff in between." We live on a magnificently ...

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

Young Earth was a blue planet covered in oceans, much like today. But the atmosphere was a lethal cocktail of gases, with no ...

We’ve likely had at least one close encounter of the 3I kind before. Harvard scientist Avi Loeb claims that not only does 3I/ATLAS potentially have alien origins, but that this wouldn’t be the first ...

A new model increases the probability of intelligent life elsewhere in the universe, upending the decades-old “hard steps” theory that intelligent life was an incredibly improbable event on Earth. Are ...

"We're arguing that intelligent life may not require a series of lucky breaks to exist." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The ...