A total lunar eclipse kicks off March. Jupiter is well placed most of the night, while Venus shines brilliantly and Uranus is ...

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, ...

The well-known star Betelgeuse is Orion the Hunter’s alpha star. Shining at magnitude 0.5, this aging sun lies roughly 500 to 600 light-years away. It’s also one of the best candidates for the next ...

The longer nights of August beckon with several treats this month. Saturn and Neptune undergo their second conjunction of the year, appearing together in a low-power telescope eyepiece. Telescopic ...

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

Already high in the east as darkness falls, Jupiter still dominates the constellation Gemini. The gas giant’s large moon Ganymede transits the disk this evening, with its shadow following a few hours ...

This composite image — the largest ever produced by the ALMA array in Chile, shows the Central Molecular Zone of gas in the nucleus of the Milky Way. Each color depicts a different molecule: sulphur ...

A recent story in The Planetary Science Journal reported that scientists at the National Air and Space Museum’s Center for Earth and Planetary Studies and colleagues have produced the first global map ...

Jupiter reaches its best apparition in a decade for northern observers and offers a wealth of detail. Joining in late evening is brilliant Mars, now a month from opposition. Saturn is visible in the ...

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 ...

Recent months have featured a few stories about how Albert Einstein’s theories, or the ideas underpinning them, have all been confirmed to a new degree of accuracy. That’s usually the case: Scientists ...

Experience the awe of ancient history and the spectacle of a rare celestial event on this 5-day journey to Luxor, centered around the August 2 total solar eclipse. With an incredible totality of 6 ...