Each Monday, I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the Northern Hemisphere). Check my main feed for more in-depth articles ...

More than a dozen states could see the sky light up from the Northern Lights Tuesday night and Wednesday. Why it matters: ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail ...

Is tonight a full moon? Here's when, what time to watch Comet Lemmon and zooming fireballs in the sky from Taurid meteor shower — this weekend.

A rare double solar eruption fueled a spectacular display of the northern lights overnight — and more auroras could be on the way. Last weekend, two separate solar eruptions sent a pair of coronal ...

Tonight’s skies could glow with colorful auroras across 12 states as a burst of solar wind sparks a minor geomagnetic storm.

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

Comets SWAN and Lemmon will both swing by Earth and appear bright in the sky near the end of October. Here’s how to see them.

A rare green Hallowe’en comet will be visible in the night sky over the next few weeks before it vanishes for 1,300 years.

Two greenish-hued comets are swinging through the inner solar system this fall, offering a rare chance to spot them in the coming weeks. The comets, named C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

Long before satellite navigation and GPS, explorers were already setting their sights toward space. Since we first saw the night sky, humanity has been fascinated by the stars. Over thousands of years ...

A rare double solar eruption fueled a spectacular display of the northern lights overnight — and more auroras could be on the way. Last weekend, two separate solar eruptions sent a pair of coronal ...