(cokada/iStock/Getty Images) Alien megastructures built to harvest stellar energy or alter the orbits of stars may be ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

Add Yahoo as a preferred source to see more of our stories on Google. Delaware has many unique titles such as First State, Nation's Summer Capital or Small Wonder. You can add a new one that's a ...

Researchers recently analyzed data available on the National UFO Reporting Center’s website. Here's what they found.

Delaware has many unique titles such as First State, Nation's Summer Capital or Small Wonder. You can add a new one that's a little more special than the rest. According to a recent study Delaware is ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

The study analyzed over 150,000 UFO reports from the National UFO Reporting Center since 1974. Recent Congressional hearings and political commentary have renewed mainstream interest in UFOs, now ...

Sci-fi fans can rejoice as the Alien franchise's entire collection, including classics and director's cuts, drops on a new streamer on April 1.

Temperature plays the biggest role in where plants can grow. Warmer conditions allow more plants to survive in new places. Other factors like rainfall and soil also matter, but temperature has the ...

One of the longest-standing techniques in humanity’s search for life beyond Earth may be causing scientists to miss alien signals entirely, a new study finds. Since the very beginnings of the search ...

If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago. Before this boundary—the start of the famous Cambrian explosion—multicelled ...