For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

The Webb telescope detects a clear, hydrogen-rich atmosphere, as well as water vapor, on the hot sub-Neptune planet TOI-421 B ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

Kepler-725c is roughly 2,472 light years from Earth, circling a G9V star in about 207.5 days. Its path brings it into a ...

Earth, dubbed Kepler-725c, has been discovered orbiting within the habitable zone of its host star, offering new ...

Astronomers announced Wednesday they have discovered a massive planet orbiting a tiny star, a bizarre pairing that has ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...

The discovery of a metal-rich star packed with both light and heavy elements hints at exotic stellar explosions and the role ...

Scientists say a new planetarium show about the Milky Way has helped them unlock one of the solar system’s many secrets.