This composite image was weeks in the making, as Horálek’s two "crossings" happened months apart. Mars traced its path ...

Many astronomical events, such as meteor showers, run by calendrical timings as well. But our moon and the other planets move ...

The number of orbital launch attempts worldwide last year surpassed the record 2024 flight rate by 25 percent, with SpaceX ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Venus will conjunct Mars in Capricorn on Jan. 7, sparking passion, determination and romantic desire. Here's what the transit ...

In the vast calm of the solar system, planetary orbits often appear orderly, stable, and insulated from the broader mechanics ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

In the predawn darkness, a single bright light rising in the east has captured human imagination for millennia. In 1599, the Lutheran pastor Philippe Nicolai shaped that image into his chorale “How ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Hatsune Miku is being retired. After more than a decade in orbit, Japan’s Akatsuki spacecraft has officially gone silent. The mission—designed to study Venus’s atmosphere—was declared complete by JAXA ...