From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.

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

The meteor shower will peak around the time of the winter solstice, or the official beginning of winter in the Northern ...

The best time to hunt for Ursid meteors is from the evening of Dec. 21 straight through to dawn on Dec. 22. The shower's peak ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

The last major lunar event of the year takes place December 20, 2025—the New Moon in Sagittarius heralds the darkest night of ...

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

This year has been noteworthy for me. For perspective, when I started at the St. Louis Post-Dispatch decades ago, we had a ...

Saturn's giant moon Titan may not have a vast underground ocean after all. New research suggests Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas instead of a buried ...

The 2025 winter solstice happens on Sunday, Dec. 21, bringing the longest night and marking the start of astronomical winter.

Are you secretly obsessed with your birth chart? Have a weakness for weekly horoscopes? Can you always sense when Mercury is retrograde? Then Lisa Stardust’s guide to the key astrological events ...