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.

“Overall, our findings challenge the conventional classification of Uranus and Neptune as ’ice giants’ and underscore the ...

OUR much-loved astrologer Meg sadly died in 2023 but her column will be kept alive by her friend and protégée . Read on to ...

Starliner astronauts got a much longer stay at ISS. SpaceX caught a rocket booster. Here's a look back at the most pivotal space missions from 2024.

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

New models show interplanetary solar tornadoes may trigger geomagnetic storms capable of disrupting satellites, electricity ...