The biggest stories of the day delivered to your inbox.

U.S. Harvest Moon vs Hunter Moon: In 2025, October brings a rare celestial treat with both the Harvest Moon and Hunter Moon occurring close together, captivating skywatchers across the U.S. These ...

Stephen DiKerby receives funding from NASA and NSF grants, as well as from Michigan State University. Curious Kids is a series for children of all ages. If you have a question you’d like an expert to ...

When searching for the unknown, classic physics wisdom holds that a bigger detector boosts the chances of discovery. A physicist is taking that advice to heart, advancing a bold plan to use none other ...

At 7 A.M. EDT, the Moon is observed 5° north of Venus, positioned between Venus and Pollux (magnitude 1.2). Pollux, despite being cataloged as Beta Geminorum, exhibits a slightly higher brightness ...

Jupiter’s moon Ganymede could be a vast dark matter detector, and upcoming space missions might be able to spot distinctive dark matter craters on its ancient surface. Physicists searching for dark ...

The near and far sides of the Moon exhibit significant hemispheric differences, with the farside possessing fewer large craters compared to the mare on the nearside. A 2-3% mass asymmetry between ...

Here’s a simple question: What’s a moon? As with so many questions in science, it may seem straightforward but truly isn’t. “Why, a moon is a celestial body that orbits a planet,” you’re probably ...

Join us as we explore Ganymede, Jupiter’s largest moon, and uncover NASA's groundbreaking discoveries! From its massive ocean to the mysterious secrets hidden beneath its surface, Ganymede is a true ...

ESA’s Jupiter Icy Moons Explorer, Juice, launched the 14th April 2023, will make detailed observations of the giant gas planet and its three moons – Ganymede, Callisto and Europa – with a suite of the ...