The northern and southern lights, especially active lately, have been treating sky watchers to spectacular shows. But what ...

For years, scientists thought Saturn’s moon Titan hid a global ocean beneath its frozen surface. A new look at Cassini data ...

There are a host of celestial events to get excited about next year – including a total solar eclipse. Abigail Beall is ...

There’s no shortage of stunning scenery and daytime activities in the Lakes. Now, an observatory is offering stellar nocturnal events too ...

Here’s the origin of Christmas as we know it, when it’s estimated Jesus might have been born and when Christians started ...

It's all about the beauty of the solar system this week, from our own planet Earth to a Martian crater to the wonders of ...

Our readers sent in hundreds of images, capturing everything from the activity of the Sun and distant nebulae to Comet Lemmon ...

For decades, humanity has sought answers to one of the most profound questions in science: are we alone in the universe? The ...

When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star ...

When winter sets in, and daylight is gone well before dinner, it’s hard not to notice how long the nights stretch on. For me, ...

Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 million kilometers) of our planet.

The new moon is the initiatory phase of each month’s lunar cycle, bringing the sun and moon together in the zodiac. This ...