A team of astronomers believe they have spotted the first moon outside our solar system. Phys.org reports that the team lead by Dr. David Kipping, assistant professor of astronomy at Columbia ...

The discovery of the first potential exomoon has astronomers scratching their heads. It’s the size of Neptune, and its planet is the same size as Jupiter but ten times the mass. It’s also made of gas.

We have now confirmed the existence of over 4,000 exoplanets, or planets outside our solar system, which are teaching us about how planets and systems form and could even help us locate other ...

SPACE SCIENTISTS have discovered evidence of the first exomoon – a moon orbiting a planet outside of our solar system. Astronomers say the mysterious space object belongs to the exoplanet Kepler-1625b ...

Some of the same researchers who found the first purported exomoon now say that they’ve found another. Dubbed Kepler 1708 b i, the satellite has a radius about 2.6 times that of Earth, and circles a ...

While analyzing data from NASA’s Hubble and Kepler Space Telescopes, astronomers happen upon new exoplanets all the time. But the same can’t be said about exomoons, which are essentially moons ...