The first unmistakable sign of extraterrestrial technology may not arrive as a calm greeting. It may look more like a flare.

The history of astronomical discovery shows that many of the most detectable phenomena, especially detection firsts, are not ...

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, ...

Problems of the natural world can be addressed through, and only through, mastery and cooperation might seem like a truism, ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

Before zombies shambled about, ghoulishly feasting on the flesh of those too slow to flee, aliens from outer space ruled ...

During the first year of President Donald Trump's second term, U.S. Immigration and Customs Enforcement's Enforcement and Removal Operations Houston arrested 414 illegal aliens charged or convicted ...

We may receive a commission on purchases made from links. Science fiction often takes audiences across the galaxy, seeing unknown worlds and creatures. It's typically a way to escape from reality and ...

Add Yahoo as a preferred source to see more of our stories on Google. During the first year of President Donald Trump's second term, U.S. Immigration and Customs Enforcement's Enforcement and Removal ...

The Supreme Court has a lot of problems with the Trump administration’s theory for restricting birthright citizenship.