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

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 ...

After Webb's launch, Australian scientists used a unique instrument, AMI, to diagnose and correct image distortions. Their ...

Tatyana Woodall is a regular contributor to Popular Science. Based in Ohio, she’s extremely interested in how science and technology intertwine in daily life. When she’s not learning something new, ...