Data from the James Webb Space Telescope and other observatories suggests a supervolcanic exomoon may lurk around the giant ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as ...

A pair of Sydney Ph.D. students helped sharpen the view of humanity's most powerful space observatory—without leaving Earth.

After applying the correction, Webb captured sharper images of the star HD 206893, revealing a faint planet and a ...

It was put on Webb to diagnose and measure any blur in its images. Even nanometres of distortion in Webb’s 18 hexagonal ...

Uranus' moon Ariel could have had liquid water 100 miles deep, hidden under its icy crust, possibly making it yet another ...

NASA is considering approving by next April up to two planetary science missions from four proposals under review, including one to Venus that scientists involved in the project said could help ...

Hidden nearly 2,300 feet beneath the Atlantic Ocean, scientists have uncovered an ancient and active undersea landscape that ...

Space News on Major Missions and Probes. This past year has been anything but quiet for major space missions. New technology, ...