On Christmas night, Jupiter will be one of the brightest objects in the sky — and a  stand-in for the mythical “Christmas ...

A simple guide to the Dec. 25, 2025 night sky, with viewing tips for the moon, bright planets, and familiar winter stars ...

Posts claiming a celestial "smiley face” will light up the night sky over Christmas aren't true. But the Christmas Tree ...

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 lining up her calendar ...

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 ...

Explore 2025's groundbreaking scientific discoveries: the MoM-z14 galaxy, personalised CRISPR therapy, regenerative medicine, ...

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

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, ...

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

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