A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...

Titan’s shadow transits Saturn in a rare 2025 sky event Viewable with telescopes during pre-dawn hours this summer Next Titan ...

There will be several chances to see the shadow of Saturn's largest moon, Titan, pass across the ringed planet's Earth-facing ...

A new gas giant world discovered by citizen scientists using data from NASA's exoplanet-hunting spacecraft TESS is cool, ...

Astronomers from the University of New Mexico, along with U.S. and international researchers, have confirmed the existence of ...

Mercury Is Sailing Across the Sun—Here’s How to Watch. On May 9, the innermost planet crosses the sun’s face, an event seen from Earth just 13 to 14 times a century.