Mars’ moons are easily visible at night from the Red Planet. Larger Phobos is brighter, while smaller Deimos is still brighter than any star.

New Moon occurs at 7:01 A.M. EST, bringing an annular solar eclipse to Antarctica and part of the Southern Ocean. Only travelers in these regions will see the Moon cover nearly all of the Sun’s disk, ...

Uranus, the seventh planet from the Sun, is currently in Taurus, located roughly 5° south-southwest of the Pleiades star cluster (M45). Glowing at magnitude 5.8, the ice giant requires binoculars or a ...

The Moon passes 1.8° north of Venus at 4 A.M. EST, then passes 0.1° south of Mercury at 6 P.M. EST. Both planets are visible in the evening sky, though Venus is low, only about 12° high in the ...

A study led by SETI Institute scientist Matija Ćuk proposes that Saturn’s bright rings and its largest moon, Titan, may have both originated in collisions among its moons. This study was accepted for ...

The Moon is Earth’s only natural satellite. Whether enjoying a lunar eclipse or observing the Moon’s surface, it has many fascinating features to explore.

The bright star Sirius dominates the southern sky late this evening, blazing high in the south around 10 P.M. local time. You can use this sparkling star to point your way to the open cluster M47 in ...

The Moon passes 4° north of Jupiter at 9 P.M. EST. The pair shares the central regions of Gemini this evening, with the Moon appearing to the upper left of Jupiter, and framed on the left by the Twins ...

Although the Moon is growing brighter, there’s still plenty to see in the evening sky. Astronomy contributor Phil Harrington calls the shape formed by the bright stars Betelgeuse, Sirius, and Procyon ...

The Moon passes 4° north of Jupiter this evening at 9 P.M. EST. The pair is visible most of the night in the central region of Gemini. Early in the evening, the nearly Full Moon hangs to the upper ...

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 ...

A newly discovered comet has astronomers excited, with the potential to be a spectacular sight in early April. C/2026 A1 (MAPS) was spotted by a team of four amateur astronomers with a remotely ...