Daytime Sextantids meteor shower peaks September 27—but can you spot it with the naked eye?
The Daytime Sextantids meteor shower is uniquely visible during daylight hours because its radiant point is located near the sun within the Sextans constellation.
14 hours ago
Will Comet C/2025 A6 (Lemmon) be bright enough to see with the naked eye on October 21?
Discovered on January 3, Comet Lemmon has been dramatically brightening since mid-August, with its luminosity already surging to six times the initial prediction for its peak.
17 hours ago
Here's when Comet C/2025 A6 (Lemmon) will make closest approach to Earth next month
The comet's current brightness is measured at magnitude 7.4, which means you'll need binoculars or a small telescope to spot it.
1 day ago
Don't miss the 'String of Pearls' galaxy at peak visibility on September 24—where and how to see it best
Astronomers classify NGC 55 as a Magellanic-type galaxy, placing it in an intermediate category between an irregular and a dwarf spiral galaxy.
2 days ago
With the September equinox here, watch the zodiacal light in the morning sky this week
The zodiacal light will be gracing the skies during sunrises and sunsets in the absence of twilight as the equinoxes approach.
3 days ago
'Equinox' solar eclipse 2025: Parts of the world that had the best view
A dramatic partial solar eclipse graced the skies on September 21, 2025, giving people on Earth the sight of a radiant crescent star.
3 days ago
Here's how to spot Comet SWAN (C/2025 R2) in the night sky from now until October 20
Comet SWAN is scheduled to be at its closest approach to Earth around October 20, 2025.
3 days ago
Solar storm may hit Earth at the autumn equinox, setting the stage for fall auroras
A solar event is forecast to strike during the autumnal equinox, a time of year when Earth's magnetic field is naturally more sensitive to solar disturbances.
5 days ago
Solar wind is causing 'major disturbance' to comet SWAN (C/2025 R2) gliding through space
New observations from an astronomer reveal a highly reactive comet tail, which showed remarkable changes in just ten minutes.
7 days ago
Giant asteroid 2025 RL2 to make closest approach to Earth this week—when and how to watch
The asteroid will zoom past our planet at a distance of just 134,566 miles (about 216,563 kilometers).
7 days ago
Massive asteroid once feared a threat to Earth set for close flyby on September 18
The asteroid, officially named 2025 FA22, is roughly the height of a skyscraper, with an estimated width of 130 to 290 meters.
Sep 17, 2025
Moon phases 2025: When is the next new moon
Due to a direct alignment between the Sun, Moon, and Earth, a new moon is invisible from our perspective because the side of the moon facing us is completely unlit.
Sep 17, 2025
Don't miss Neptune's closest approach to Earth on September 23—where to find it in the evening sky
This rare event, known as opposition, occurs when the Sun, Earth, and Neptune align, causing the planet to appear brighter and more prominent in the night sky.
Sep 17, 2025
Halley's Comet will return in 2061—for 1980s kids, it will be a full-circle moment
The celestial event will mark a generational milestone for those who witnessed its last appearance in 1986.
Sep 16, 2025
Will the northern lights be visible tonight? Here's what the forecast says
If conditions line up, moderate storms could also unfold, making the aurora borealis visible in regions like Canada and Alaska.
Sep 16, 2025
New comet SWAN25B discovered in September 2025—here are viewing tips and its likely coordinates
The comet SWAN25B was initially detected by the Solar Wind Anisotropies (SWAN) instrument on the SOHO spacecraft.
Sep 15, 2025
'God of Chaos' asteroid would be visible to the naked eye in a once-in-a-millennium celestial event
An asteroid of this immense size, roughly 1,100 feet wide, only makes a close approach to Earth once every 7,500 years, according to scientific estimates.
Sep 15, 2025
How to spot 'swan-shaped' Cygnus constellation in the September night sky
A striking, swan-shaped constellation known as the Northern Cross, Cygnus is the 16th largest constellation and a rich section of the Milky Way.
Sep 12, 2025
2025 partial solar eclipse: When and how to watch the astronomical phenomenon on September 21
The eclipse belongs to the Saros cycle, a well-documented celestial pattern that repeats approximately every 18 years and 11 days.
Sep 10, 2025
In pics: 'Blood Moon' total lunar eclipse as seen from Japan, Egypt, India and across the globe
The stunning astronomical event marked the longest eclipse of its kind since 2022, with the moon appearing a vivid red for a remarkable 82 minutes.
Sep 8, 2025