A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

There are several famous equations in science, particularly in physics. The language of these is, of course, mathematics. There’s Newton’s Second Law, which states that the vector sum of an external ...

As the search for signs of extraterrestrial life continues to no avail, astronomers keep trying to refine our methods, and approach them from different angles. Now, new research—built on a similar ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...

Crowded globular star clusters like this one, called 47 Tucanae, may be the best place to search for signs of interstellar alien civilizations, scientists say. The relative close proximity of stars ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Nearby galaxies in our universe show no signs of advanced alien civilizations — at least for now.

A false-color image of the mid-infrared emission from the Great Galaxy in Andromeda, as seen by Nasa's WISE space telescope.