Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

What makes something alive? We simply don't know, but synthetic biologists are a step closer to providing an answer thanks to ...

Scientists may have just taken one of the biggest steps yet in the search for life beyond Earth. Meet K2 18 b, a distant ...

The Cluster is a form of life organized on principles so different from anything on Earth that understanding it requires ...

Using the Hobby-Eberly Telescope at McDonald Observatory, astronomers have taken a closer look at a nearby exoplanet and ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

In a new paper, researchers examine the possibility of other consciousnesses that take on forms far beyond our imagination.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...