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A signal originally detected by the Kepler spacecraft has been validated as an exoplanet using the Habitable-zone Planet Finder (HPF).

NASA’s James Webb Space Telescope will observe exoplanet worlds with the goal of making the first detailed near-infrared study of the atmosphere of a habitable-zone planet.

Scientists have discovered thousands of exoplanets. One way to search for signs of life on these worlds is to probe exoplanet atmospheres for "biosignatures" -- quirks in chemical composition that are telltale signs of life.

Is it possible that our notions of what makes a planet suitable for life are too limiting? Scientists are finding that the answer not only is yes, but that it’s yes under a range of surprising conditions compared to Earth.

For the 30th anniversary of one of the most iconic views from the Voyager mission, NASA's JPL is publishing a new version of the image known as the "Pale Blue Dot."

NASA is sending a new laser-toting robot to Mars. But unlike the lasers of science fiction, this one is used for studying mineralogy and chemistry from up to about 20 feet (7 meters) away.

Could AI deceive us as much as the human eye does in the search for extraterrestrials? Scientists propose a curious experiment to compare how human beings and machines recognize planetary images.

In the scorching atmosphere of exoplanet KELT-9b, even molecules are torn to shreds.

New astronomy research from the University of Central Lancashire (UCLan) suggests giant planets could form around small stars much faster than previously thought. As published in today’s Astronomy and Astrophysics journal, Dr. Anthony Mercer and Dr. Dimitris Stamatellos’ new planet formation research challenges our understanding

NESSI was built to examine the atmospheres of planets that orbit stars beyond our Sun, or exoplanets, providing new insights into what these worlds are like.