K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

K2-18b is a little over 120 light-years from Earth — on a galactic scale, this world is practically in our backyard.

The Earth has a fascinating atmosphere that contains several unique layers The Troposphere is the layer that we live in, ...

U.S. team of researchers detected signs of two chemicals in the planet's atmosphere long considered to be "biosignatures" ...

Near a planet far, far away astronomers have found traces of chemicals that on Earth are only produced by living beings.

A team of astronomers led by Nikku Madhusudhan of the University of Cambridge used the James Webb Space Telescope to search for interesting molecules in the atmosphere of a planet outside our ...

Astronomers have detected the most promising signs yet of a possible biosignature outside the solar system, although they remain cautious.

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...