The first bubble of hot gas seen around another star has been spotted around the "Moth," just 117 light-years away.

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

Add Yahoo as a preferred source to see more of our stories on Google. This image of interstellar comet 3I/ATLAS was captured by the Hubble Space Telescope’s Wide Field Camera, July 21, 2025. (photo ...

The interstellar visitor, only the third such object to be discovered passing through our solar system, ignited controversial theories. The post What’s the truth about the mysterious ‘alien’ space ...

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.

SALT LAKE CITY — The first thing to know about potential alien invaders is that the U.S. Government no longer classifies them as unidentified flying objects. That sounds too scary. They are classified ...

President Trump had gone to the 2024 election promising to disclose everything about one of his MAGA fan base’s favourite conspiracies: that aliens are real, aliens are among us, and aliens secretly ...