Once its rings vanish from sight in March 2025, Saturn will look like a pale yellow sphere through most telescopes.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially ...

Galileo has a special kind of versatility. You’ll feel equally comfortable dropping by for a drink on your own, with your boss or a date, or with the whole gang on a bachelorette weekend. Better ...

Four hundred years ago, Italian astronomer Galileo Gaililei unveiled his newest innovation: a 3x telescope. This would enable him to prove a theory that would have profound impact on humanity: the Sun ...

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of a huge number of faint stars. For the next 300 years, astronomers assumed that the ...

But across his long career, nothing beats the time he spent in a Florentine library where he handled some of the original observing notes written by Galileo Galilei, the Italian astronomer who ...

Musician Megan Thee Stallion turns 30 and actor Natalie Morales turns 40, among the famous birthdays for Feb. 15.