Out of the 6,000 known exoplanets, it's these rocky worlds that are most worthy of attention in the search for life beyond ...

What happens if alien contact stops being science fiction and becomes real? From mysterious interstellar objects to the possibility of signals, peaceful arrival, or outright attack, the deeper ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

The molten planet, with an atmosphere rich in sulfur-bearing gases, is unlike anything astronomers have ever smelled.

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters ...

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

Scientists believe turbulent “space weather” around distant stars could be scrambling potential alien signals before they ...

A new study by the SETI Institute suggests that the alien signals might be right here, surrounding us all of the time, and we ...

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

Using the Transiting Exoplanet Survey Satellite (TESS), astronomers have discovered a new super-Earth exoplanet orbiting a star located about 83 light years away. The newfound alien world is slightly ...

If you believe humans are bound to discover extra-terrestrial life, you probably fall into one of two broad camps. Either you ...