Long before astronomers discovered the first exoplanet in 1992, the idea of worlds orbiting distant stars captivated the ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

The planets discovered by Kepler were found thanks to the transit method, meaning that the spacecraft measured small dips in the light of a star caused by a planet passing in front of it from ...

Kepler-452b could be habitable, according to scientists, which arguably makes it one of the strangest planets ever discovered. Of all the exoplanets ever discovered, just a handful have been found ...

Over the past decade, astronomers have found that many of these stars have multiple rocky planets orbiting them. Enter MAROON-X, an instrument mounted on the Gemini North telescope in Hawaii that’s ...

Four small, newly discovered worlds are less than six light-years away from Earth, and their discovery reinforces a ...

"What we found is that right around the size ... what we've been able to learn about the orbits of planets around other stars using the Kepler Space Telescope," Petigura said.