Back in the 1960s, Frank Drake, an American astrophysicist and astrobiologist, proposed an equation aimed at estimating the ...

The Epoch of Reionization — the universe’s last major transition — may have happened earlier than previously thought.

This is the “long freeze”—a period of time during which the universe’s expansion would have completely stopped, and the lack of any new energy sources would cause existing stars to slowly wink out of ...

New research offers a potential explanation for the formation of early Earth protocells. Few questions have captivated ...

In a study published Wednesday in the journal Nature, astronomers describe the youngest transiting planet ever found. It’s ...

Understanding how life began and evolved on Earth is a question that has fascinated humans for a long time, and modern scientists have ... the last universal common ancestor (Luca), must have existed.

It was, in fact, another galaxy containing millions of stars. The known universe became dramatically larger that day, 100 ...

How long could a person endure life during a deep-space voyage? And in the worst-case scenario, what would happen if someone ...