Galileo started this quest over 400 years ago, and scientists finally were able to peek at one of the biggest mysteries of the big star in our solar system.

The brand new Vera Rubin telescope is about to begin its 10-year mission to offer the newest cosmic perspective we've had in ...

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

What does Italy have that New Jersey doesn't? Jeff Bezos and Lauren Sanchez Bezos could have married here — for less!

Galileo used his device, as shown in Fig. 1a, to discover the moons of Jupiter, and so confirmed his conviction of the validity of the Copernican model of the Solar System.

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

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

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

Space is a very big place, and as such, it's full of mysteries that scientists can't explain. Some of this is simply because it's impossible to fully observe, thanks to its sheer size and the ...

Many are actually unaware of the Vatican Observatory's existence, even though it's one of the oldest astronomical institutes ...

Galileo continued writing in conversational language for his landmark 1632 work, Dialogo sopra i due massimi sistemi del ...