From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

In a groundbreaking study published in Advances In Atmospheric Sciences, researchers from the Institute of Atmospheric ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...