On Nov. 20, 1998, Zarya, the first module that would make up the International Space Station, was launched from Kazakhstan.

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles per hour (246,000 kilometers per hour), astronomers didn’t want to miss what ...

A new moon in the midst of Mercury Retrograde? Expect for all the things to feel amplified right now. Read how this lunation ...

Imagine living on Jupiter’s moons and the extreme conditions you would face on these alien worlds. ​​​Stimulus check update: ...

What would happen if Jupiter’s moons scattered? Explore the orbital chaos and potential collisions caused by displaced moons.

On Nov. 19, 2005, Prince Albert II formally became ruler of Monaco, assuming the throne of his late father, Prince Rainier.

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

A Space Odyssey and Gattaca are among the best examples of 20th-century hard sci-fi, grounding their plots in logic and plausibility.

Times listed are from The Sky This Week by Astronomy magazine, calculated for 40°N, 90°W. Central Wisconsin observers can expect sunrise, ...

Your daily AI horoscope An introduction that summarizes the advice provided in the horoscopes for November 14 is presented ...