This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

Scientists might have just found Earth's icy, distant cousin a few hundred light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is potentially the ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

It is often suggested that this may have already happened: alien technosignatures may have reached Earth during the past six decades but have gone unnoticed. If that is true, it suggests that more ...

Without the right oxygen balance, phosphorus and nitrogen vanish — and life can't take hold. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Life ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

In the 1982 blockbuster, E.T. the Extra-Terrestrial, E.T. is lured out of hiding using a trail of Reese's Pieces. But what ...

In the following six books, each writer looks to space to skillfully explore what it means to live on Earth. Salvation and ...