A waxing gibbous moon and the ringed planet Saturn will enlighten our sky for treat-or-treaters this Halloween.

The reason people might think Earth has a second moon is due to a celestial body named 2025 PN7 that was spotted in August by ...

What will be the second in a sequence of “supermoons” will dominate the night skies over Philly this week and be a high point ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without ...

On the evening of Oct. 9, a waning gibbous moon visits the famous Pleiades Star Cluster  — the Seven Sisters  — in Taurus. Binoculars should bring out the cluster of stars from the brilliant light of ...

Astronomers using NASA's James Webb Space Telescope have discovered a newfound moon orbiting icy Uranus, the seventh planet from the sun. The moon, known as S/2025 U1, is just 6 miles (10 kilometers) ...

PN7, earth's second moon, is a quasi-moon — a celestial object that travels almost exactly in sync with Earth. Researchers at ...

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

James Webb Space Telescope and the W.M. Keck Observatory captured new images of Saturn's moon Titan. Credit: NASA/STScI/W. M.

F or centuries, dating back to long before the invention of the telescope, people have reported odd flashes that sometimes ...

Stargazers can see the Cold Moon on the evenings of Nov. 4 and 5, 2025, with peak illumination Nov. 5, according to the Old ...