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.

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...

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 week. Casani served a central role in many of NASA’s historic deep ...

Highlighting 10 major astronomical milestones of the past century in celebration of the Royal Greenwich Observatory’s 350th anniversary Founded in 1675 by King Charles II, the Royal Observatory ...

Ancient Greek astronomers were the first to gather knowledge about space exploration. Richard Branson and Jeff Bezos could ...