Hurricane Nolo is strengthening south of Hawaii, with forecasters warning that the storm could bring potentially catastrophic ...

You cannot see the 8th planet from our sun, Neptune, with your eyes alone. Here’s how NASA’s Voyager 2 spacecraft — the 1st and only craft ever to visit Neptune — saw it in 1989. Image via NASA. Read ...

What makes a Harvest Moon a Harvest Moon? Is it really bigger, brighter or yellower than other full moons? This year, it’ll fall on September 26. In this video, Deborah Byrd explores the science and ...

Sunspot regions: Currently, the Earth-viewed solar disk holds seven numbered sunspot regions. A newcomer, AR4542 in the southeast, received its number today. Moreover, one region now shows a delta ...

Where does the celestial equator intersect your horizon? ALWAYS at points due east and due west. And the equinox sun is on the celestial equator. That’s why the equinox sun rises due east and due west ...

Yes, there is an aurora season, which comes around the fall and spring equinox each year. This pattern in nature – auroras increasing twice a year – has been known to scientists for more than a ...

In 2026, Venus emerged in the evening sky in February and will shine brightly in our evening sky through October. It will be at its brightest on September 18. Jupiter is a famously bright planet on ...

Join EarthSky’s Marcy Curran for your skywatching best bets for the week of September 14. Don’t miss dazzling Venus at its brightest this week in the west after sunset. And the moon will visit Venus ...

View at EarthSky Community Photos. | Steven Bellavia captured this image on February 7, 2025, in Virginia. Steven wrote: “Venus, in broad daylight, on a beautiful clear day. A little zoom-in, and you ...

Crepuscular rays are the stunning shafts of sunlight that can streak across the sky when the sun is partly obscured. Crepuscular means relating to twilight. This phenomenon typically occurs around ...

This is last year’s Fat Bear Week champion, Bear 32 aka “Chunk.” After finishing as the runner-up in previous years, Chunk won the 2025 title — after making a remarkable recovery and bulking up ...

The area around Saturn’s south pole. This photo shows a pattern of clouds, now confirmed as a 10-sided figure known as the Saturn decagon. Image via NASA/ ESA/ A. Sánchez-Lavega/ EHU/ AP. An ...