moon

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how to get the best view of the rare conjunction.

A French astrophotographer has captured a stunning photo of Venus and the moon shining above the Eiffel Tower in Paris, thanks to a rare "parade of planets."

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in this area are chucking out six times the energy being produced by all Earth's power stations, researchers say.

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons exist today.

Tonight (Jan. 13), bright Mars will disappear behind the full Wolf Moon for several hours before reappearing on the other side. It's the only lunar occultation of Mars visible from the U.S. this year. Here's how to get the most out of it.

As Mars approaches opposition this week, it will become a dazzling spectacle in the night sky. See it at its best now, or wait until 2027.

The Wolf Moon — the first full moon of the year and of winter in the Northern Hemisphere — rises tonight, but will be best seen on Jan. 14, shortly after it has occulted Mars.

NASA's LEXI instrument is set to land on the moon's surface sometime this month. Using X-ray sensors, the device will watch Earth's atmosphere "breathing out and breathing in" to uncover key space weather mysteries.

An astronomer describes how the moon's surface temperature changes.

One of the last easily visible lunar occultations of Saturn until 2037 will occur on Jan. 4.