Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our skywatching newsletter ...

Immigration and Customs Enforcement arrested 10,000 people over a five-day period at the end of June, marking a major push by ...

President Trump blew up what could have been a win for his party — and he did it to force lawmakers to pass an elections ...

Brazilians wake to fake alien attack alerts on 19 June after hackers slipped through a backdoor the FCC has spent years studying Paweł/Pixabay A hacker who breached Brazil's national emergency alert ...

The group leading the charge in the search for extraterrestrial life has given the all clear: An interstellar comet looks to be completely natural and free of any alien tech. The SETI Institute said ...

Maybe the real monster in the Alien franchise isn’t actually the killer alien. Because behind the acid blood and jump scares is an even more... The real horror of ‘Alien’ and how it explains why we’re ...

When a radio signal leaves a distant planet, it does not immediately travel through empty space. First, it has to pass through the turbulent environment surrounding its home star, and that short ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study has found that stellar "space weather" could be making it significantly harder to detect potential signals from aliens ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Steven Spielberg’s sci-fi blockbuster is a non-stop thrill ride, but did it convince you that we are not alone?