Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about ...

Two icy moons of Jupiter, though neighboring and of similar size, exhibit radically different internal structures. A new ...

In the early 1600s, Dutch spectacle maker Jan Lippershey discovered that combining lenses could magnify distant objects.

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

NASA have found something new moving in our Solar System. Even thought it's not water, still a phenomenon worth of time ...

GPS jamming and spoofing attacks are on the rise. If the global navigation system the US relies on were to go down entirely, it would send the world into unprecedented chaos.

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.

What landing sites on Jupiter’s moon, Europa, would be the most ideal for searching for life on the small moon? This is what a recent study published | Space ...

John R. Casani, a longtime Jet Propulsion Laboratory engineer, project manager and researcher, died at the age of 92 last ...

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

With Voyager 2 in the background, John Casani holds a small U.S. flag that was sewn into the spacecraft's thermal blankets ...