Jupiter doesn’t make its own light. It reflects sunlight like a cosmic mirror. And because it’s enormous, it outshines almost ...

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

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

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

NASA's Jet Propulsion Laboratory braces for another round of layoffs as budget cuts loom. Approximately 550 employees of NASA ...

Looking for a sky event this week? Check out our full Sky This Week column. October 13: The Moon reaches Last Quarter The ...

After Christmas dinner in 2021, our family was glued to the television, watching the nail-biting launch of NASA’s USD 10 billion (AUD 15 billion) James Webb Space Telescope. There had not been such a ...

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

Scientists Found 7,000-Year-Old Mummies in the Desert That Don’t Share DNA With Modern Humans US rejects bid to buy 167 ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

The James Webb Telescope measured a potential moon-forming disk encircling an exoplanet, NASA recently announced, inviting ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...