‘Secret island’ on sun sparks surprise solar storm and stunning auroras across the US (photos)
A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.
What to expect from each stage of the partial solar eclipse on Sept. 21
A spectacular partial solar eclipse will be visible across a swathe of the southern hemisphere this week.
See Jupiter and the moon join the Gemini twins in the predawn sky on Sept. 16
The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16.
The moon and Venus visit the ‘Heart of the Lion’ this week. Here’s how to see it
A striking sight to the unaided eye; even more so with binoculars.
Interstellar comet 3I ATLAS glows green during lunar eclipse | Space photo of the day for Sept. 15, 2025
During September's total lunar eclipse, astronomers captured rare images of interstellar comet 3I/ATLAS glowing green, suggesting more about its chemistry.
Where will the partial solar eclipse be visible on Sept. 21?
The 'equinox eclipse' will bring up to 86% coverage across New Zealand, Antarctica and parts of the South Pacific.
1 week to go until the moon takes a ‘bite’ out of the sun during partial solar eclipse on Sept. 21
The moon will roll across the face of the sun on Sept. 21 for lucky viewers in the southern hemisphere.
Mars shines red next to blue Spica at sunset on Sept. 13
Red Mars meets bright Spica in the sunset sky this week.
Don’t miss the moon shine close to the Pleiades star cluster on Sept. 12
The Pleiades will appear close to the moon before midnight on Sept. 12.
Aurora alert! Butterfly-shaped ‘hole’ in sun’s atmosphere could spark geomagnetic storm Sept. 13-14
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.