The origin of life on Earth is still enigmatic, but we are slowly unraveling the steps involved and the necessary ingredients. Scientists believe life arose in a primordial soup of organic chemicals ...

Particles from Earth’s atmosphere may be preserved in the Moon's soil, offering a long-term record of Earth’s atmospheric ...

Researchers have shown that if the James Webb Space Telescope was pointed at Earth from a distant star, it could detect the signatures of intelligent life in our planet's atmosphere. When you purchase ...

Earth’s earliest atmosphere may have done more than shield the planet from the Sun. New research suggests the sky itself helped supply early life with key sulfur-based molecules, long thought to ...

"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 ...

A reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought. When you ...

For over half a billion years, Earth’s magnetic field has risen and fallen in sync with oxygen levels in the atmosphere, and scientists are finally uncovering why. A NASA-led study reveals a striking ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's ...

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 ...

According to a new study by NASA, Earth is running out of oxygen, and they even know when it will occur. The study was led by Kazumi Ozaki from Toho University and Christopher Reinhard from Georgia ...

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

Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests. By Becky Ferreira If you were to look up from Earth some ...