Today in the history of astronomy, Galileo is confused by his observations of Saturn.

On July 30, 1610, the famous astronomer Galileo Galilei became the first to observe rings around the planet Saturn. Shortly ...

Simply put, the moon is useful in a way that no other astronomical object is. That's because it's the nearest, most easily ...

On August 10, six planets — Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune — will line up in an arc in the night sky.

This rare planetary alignment will be visible from August 10 but will be best viewed later in the month. Here’s everything ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Consolmagno, who has a prodigious white beard, wavy gray bangs, and dark, beetling eyebrows, is one of fifteen scientists who ...

Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

Dmitry Bivol has been everywhere this summer—everywhere, that is, except the boxing ring. On social media he is a man at ease, strolling through the streets of ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...

Dear reader, in the mid-20th century, the world witnessed the first great space race between the United States and the Soviet ...