An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

AN alien world “suffers star-grazing torture” every 111 days as its fiery sun boils the planet to a hellish 1,093C. This ...

Earth's pollution and technology might reveal our presence to aliens. From radio signals to city lights, scientists study ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

Astronomers have discovered a large Earth-like planet orbiting a distant star that could be home to alien life. The exoplanet ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

Because this planet is relatively close to Earth and orbits a bright star, it is a perfect target for future telescopes.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...