Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes could travel between planets on asteroids, meaning humans could be descended ...

SETI has spent decades listening for a sharp, well-defined radio signal that could indicate it was sent by distant intelligent life. Now researchers believe that space weather could distort and blur s ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these ...

A new study shows that stars with low magnetic activity are likely to support exoplanetary systems, making the hunt for these celestial objects less random.

"If a signal gets broadened by its own star's environment, it can slip below our detection thresholds, even if it's there." ...

The solar storm slammed the Earth on May 11, 2024, proving to be the biggest recorded on our planet for over 20 years. It generated bright auroras, usually restricted to our plane ...

New data about the DART spacecraft’s effects adds evidence that Earth could be defended from future deadly asteroids by ...

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Venus and Saturn are due up for a visually striking event known as a planetary conjunction. Here's everything to know about ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.