Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

A laser-engraved, intricately decorated dial with an unusual arrangement proves there is more than one type of ...

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...

From supermoons to a total eclipse to the national park’s biggest and best-attended star parties, these are the must-see celestial shows of the year ...

Six planets are part of the alignment, which will last until Feb. 18. Mercury will join the alignment later in the month.

Although the occurrence climaxed on Jan. 21 with a conjunction—close alignment—of Saturn and Mercury, the planetary parade ...

West Los Angeles College, supported by the Aerospace Employee Association (AEA) Astronomy Club, is hosting a "Planetary ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...