On Feb. 22, astronomers announced that the ultra-cool dwarf star, TRAPPIST-1, hosts a total of seven Earth-size planets that are likely rocky, a discovery made by NASA’s Spitzer Space Telescope in ...

Astronomers studying data from NASA's retired Kepler space telescope discovered a new system of seven "scorching" planets orbiting a distant star that is bigger and hotter than the sun, the space ...

Using data from NASA’s Kepler space telescope, a team of researchers, led by astronomers at San Diego State University, detected the new Neptune-to-Saturn-size planet orbiting between two previously ...

The unusual system of three “super puff” planets has at least one more planet, revealed by its gravitational tug on other planets An unusual planetary system with three known ultra-low density ...

This image from the paper is a visual representation of the planets in their abbreviated catalogue, showing planets by size and stellar temperature. Credit: arXiv (2023). DOI: ...

Through the looking glass: Observations from NASA's Kepler mission ended in 2018, but scientists are still pouring over what it recorded. That data can include information about new solar systems and ...

This artist's concept shows the KOI-134 system, which a 2025 paper revealed to have two planets: KOI-134 b and KOI-134 c. Credit: NASA / JPL-Caltech / K. Miller (Caltech/IPAC) A new investigation into ...

AMES, Iowa – An international team of astronomers has used nearly three years of high precision data from NASA’s Kepler spacecraft to make the first observations of a planet outside our solar system ...

NASA scientists working on the Kepler Mission have discovered an unprecedented solar system, in which two planets with vastly different densities and compositions are locked in a surprisingly close ...