Trump says US government will declassify its UFO files. Will we actually learn anything this time, or is this a distraction?

President Donald Trump has issued a statement that he will instruct the federal government to begin releasing all of its files related to UFOs.

Life on Earth is lucky: A rare chemical fluke may have made our planet habitable

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit.

Did the Viking missions discover life on Mars 50 years ago? These scientists think so

The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.

Goodbye Goldilocks: Scientists may have to look beyond habitable zones to find alien life

Scientists may need to broaden their horizons in their search for alien life.

Proteins before planets: How space ice may have created the 1st building blocks of life

“We used to think that only very simple molecules could be created in these clouds. But we have shown that this is clearly not the case.”

Astronomers searching for alien life are sharpening our cosmic clocks. Here’s why

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial life.

This SETI program is chasing down its final 100 signals. Could one of them be from aliens?

SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

Jupiter ocean moon Europa likely lacks tectonic activity, reducing its chances for life

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.