So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...
A free-floating planet drifting through space is being closely followed by scientists who are managing to find out more about ...
On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...
A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...
The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...
NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...
The satellite, aboard a SpaceX rocket that could lift off as early as this Sunday, is set to help reveal details about ...
The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...
A study has cast doubt on the idea that Jupiter's moon Europa, where NASA has sent a spacecraft, could have conditions to ...
Pandora, the latest in a long portfolio of University of Arizona's space science missions, has cleared its last major ...
If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...