Add Yahoo as a preferred source to see more of our stories on Google. Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent ...

Astronomers have recently detected potential signs of microbial life on the exoplanet K2-18b, an ocean-covered world located 120 light years from Earth. This discovery suggests that the planet could ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.

High-energy particles zipping through the cosmos are harmful to life on Earth, but scientists think it could be food for potential alien life elsewhere. Saturn's moon Enceladus (shown here in a 2006 ...

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

Scientists have taken a close look at our activity within the solar system to determine where to look for signals from intelligent alien life. The findings apply if those extraterrestrials explore ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...