Bubbling up in ancient Greek theories and medieval speculations, the quest for 'aliens' or extraterrestrial life finally ...

On Earth, DMS is made by ocean plankton, then quickly broken down in the atmosphere through photochemical and other reactions ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...

And last month, scientists said that they discovered the strongest indication yet of life on a planet 120 light-years away.

By comparing those fingerprints to 20 different molecules that they would potentially expect to observe in the atmosphere, ...

Recently, a group of scientists claimed they found possible signs of life on a planet called K2-18b. The news made headlines.

The signal from the planet’s atmosphere has reached what scientists call “three-sigma” certainty, meaning there’s about a 0.3% chance the detection happened by accident. For scientists to confidently ...

Independent analysis raises doubts about alien life on exoplanet K2-18b Weak sulfur gas signals found in K2-18b data earlier ...

The landing was the 18th successful flight for B1080 and its 12th for Starlink missions. The second stage continued toward its payload orbit to deploy its satellite payload. The upper stage achieved ...

Many have claimed to see a UFO or have an encounter with an alien, but what do the scientists have to say? Here's what ...

The National Science Foundation, a major government funder of basic science research, is being shaken up with over 1,000 ...