Look north this evening a couple hours after sunset and you’ll easily spot the large shape of the Big Dipper as it sits upside-down in the sky, appearing to pour from its cup into that of the smaller ...

The Sun, along with more than 1,500 other stars, journeyed from the middle of the Milky Way to its current position a few billion years ago.

The Galilean moon Callisto disappears behind Jupiter in an occultation early this morning. The catch is that the event is only visible from the western half of the U.S., but observers farther east can ...

Io transits Jupiter’s broad disk late tonight, beginning at midnight EST. On the East Coast, Jupiter is still 40° high in the west at local midnight, readily visible as the brightest point of light in ...

You can credit Earth’s atmosphere with providing an orangish color to the Moon during an eclipse. The atmosphere acts like a filtered lens. It bends red sunlight into our planet’s shadow and scatters ...

Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now shining at 9th magnitude, you can best spot the main-belt world after dark, rising higher in the hours after sunset. By 10 P.M. local time, ...

Now roughly 7th magnitude, Comet C/2024 E1 (Wierzchoś) is readily visible in the Northern Hemisphere once more. With New Moon less than a day away, it’s the perfect time to check in on this cometary ...

After 25 years of planning, six years of data collection, and six more years of analysis, scientists have published a portion of the final results of the Dark Energy Survey (DES) — the largest, most ...

Observers in the eastern half of the U.S. can catch the large blot of Ganymede’s shadow sliding across the cloud tops of Jupiter as darkness falls this evening. The shadow is already transiting at ...

Mercury, Venus, and Saturn put on an early-evening display in the west, while Jupiter dominates the rest of the night. Jupiter features many events involving its four major moons that are well worth ...

Full Moon occurs at 5:09 P.M. EST, bringing the light of the February Snow Moon to our nighttime skies. This name may seem particularly apt, given the weather much of the U.S. has been experiencing as ...

In 2026, astronauts will travel around the Moon for the first time since the Apollo era, powerful new space telescopes will prepare to survey billions of galaxies, and multiple nations will launch ...