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A close-up of the Rho Ophiuchi cloud complex, captured by astrophotographer Miguel Claro from the Cumeada Observatory, the headquarters of the Dark Sky Alqueva Reserve in Reguengos de Monsaraz, Portugal.

Rho Ophiuchi's Colorful Cosmic Clouds Glisten in Starry Deep-Space Photo

By Miguel Claro

One of the most colorful wonders of the summer sky in the Northern Hemisphere, especially for deep-sky photographers, is the Rho Ophiuchi cloud complex.

The Harvest Moon of 2017 rises over NASA's Goddard Space Flight Center in Greenbelt, Maryland, in this photo by NASA photographer Debbie McCallum.

Harvest Moon 2019: When and How to See September's 'Micro' Moon

By Joe Rao

The full moon of September 2019 also carries the title of the Harvest Moon for those living in the Northern Hemisphere.

The full micromoon adds a little extra creepiness to Friday the 13th.

On Friday the 13th, Don't Be Freaked Out by the 'Micromoon'

By Stephanie Pappas

The full moon of September 2019 is poised to provide some eerie atmosphere.

The first color image of the comet C/2019 Q4 (Borisov), which astronomers believe to be the first known interstellar comet ever identified, was captured by the Gemini North telescope at Hawaii's Mauna Kea. Gemini North acquired four 60-second exposures in two color bands (red and green). The blue and red lines are background stars moving in the background.

1st Color Photo of Interstellar Comet Reveals Its Fuzzy Tail

By Elizabeth Howell

Astronomers took the first multicolor images of a potentially interstellar comet, and it looks spectacular.

A visualization of some of the near-Earth asteroids tracked by NASA.

2 Asteroids Will Harmlessly Fly By Earth This Weekend, But NASA Will Wave Hello Anyway!

By Meghan Bartels

It's always nice to see old friends, and NASA's asteroid-monitoring team has a busy schedule this weekend (Sept. 13 and 14) doing just that.

The International Space Station crosses the sky above the Old City of Jerusalem.

International Space Station Streaks Across Jerusalem's Night Sky (Photo)

By Miguel Claro

A photo shows the International Space Station crossing the sky above the Old City of Jerusalem.

A depiction of the path of Comet C/2019 Q4, which may be the second interstellar object detected to date.

This Comet Might Be from Interstellar Space. Here's How We Could Find Out.

By Meghan Bartels

At first, it was just another bright, fuzzy speck in the sky. But it may turn out to be something much more exciting: the second known object to hurtle through our solar system after leaving another.

In this image we can see the asterism of the Summer Triangle a giant triangle in the sky composed of the three bright stars Vega (top left), Altair (lower middle) and Deneb (far left).

Why Do We Call It the 'Summer' Triangle?

By Joe Rao

Step outside this week as soon as darkness falls and look directly overhead, and you will see the famous and very distinctive trio of bright stars collectively known as The Summer Triangle.

The full Harvest Moon rises over a windmill power plant near Mertola, Portugal, in this photo taken by José Zarcos Palma on Sept. 24, 2018.

September Full Moon 2019: When to See the 'Harvest Moon'

By Jesse Emspak

The full "Harvest Moon" occurs Sept. 14, at 12:33 a.m. EDT (0433 GMT), a day after it reaches apogee, the farthest point from Earth in its orbit.

This image of the planet Neptune was obtained during a test of the European Southern Observatory's Very Large Telescope array in northern Chile, in July 2018.

Neptune Is at Opposition Today: Here's How to Spot the Distant Planet

By Elizabeth Howell

This week is a great time to see the solar system's outermost gas giant planet, if you have a telescope and a little patience.

See the moon make a close pass with the planet Saturn on Saturday night (Sept. 7).

Catch the Moon and Saturn Cozying Up to Each Other This Weekend

By Elizabeth Howell

The moon and Saturn have a close encounter in North American skies this weekend (Sept. 7-8).

iran missile disaster

Sleuths Find the Top-Secret (and Classified) Satellite Behind Trump's Tweeted Photo

By Stephanie Pappas

It was only a matter of time: Amateur sleuths think they've tracked down the satellite that took a high-resolution image of the aftermath of an Iranian missile disaster.

This sky map shows the moon progressing higher up into the sky each night from Sept. 1 to Sept. 5, leading to its conjunction with Jupiter on Sept. 6.

Jupiter and the Moon Will Perform a Cosmic Cuddle Tonight! How to See It

By Elizabeth Howell

If the sky is clear, you're in for a treat. The solar system's biggest planet — Jupiter — will nestle close to Earth's moon tonight (Sept. 5) for U.S. skywatchers.

This sky chart shows the locations of the star patterns known as the Summer Triangle, Vulpecula (the little fox), Delphinus (the dolphin) and Sagitta (the arrow)

See a Dolphin, Fox, Foal and More in the Night Sky This Week

By Joe Rao

In this week's evening sky, four small, faint constellations spread out near and within the Summer Triangle can be seen.

The Burning Man event site can be seen from space in satellite images released by Maxar Technologies.

Burning Man 2019 Spotted From Space (Satellite Photos)

By Chelsea Gohd

The playa can be seen from space in satellite images released by Maxar Technologies.

Astrophotographer Miguel Claro captured this spectacular vertical panorama or the aurora borealis from the Arctic Circle. Can you see the shape of a bird flying with a running rabbit?

Bright Green Aurora Bird Takes Flight with a Running Rabbit Over Iceland (Photo)

By Miguel Claro

Auroras offer a wonderful variety of colors and phantasmagoric shapes. A vertical panorama seems to reveal one of these epic moments, with the incredible shape of a bird flying with a running rabbit.

opiuchus and his serpent constellations

How to See Ophiuchus and His Serpent in the Night Sky

By Joe Rao

Here's a pair of constellations that easily slithers out of the grasp of a beginning skywatcher: Ophiuchus, the serpent-bearer, and his snake.

A total solar eclipse will be visible on April 8, 2024, over Mexico, the United States and Canada.

It's Not Too Early to Plan for the Great American Total Solar Eclipse of 2024

By Doris Elin Urrutia

Wednesday (Aug. 21) marked the two-year anniversary of the Great American Solar Eclipse!

Artist Carol Prusa surrounded by her astronomy-inspired silverpoint artwork.

Working in Silver, Artist Conveys Mystery of Solar Eclipses in New Show

By Meghan Bartels

The drama of a total solar eclipse has astonished countless astronomers and amateurs, but few have channeled that astonishment as beautifully as artist Carol Prusa.

Skywatchers can find Uranus and the Moon sharing the sky today (Aug. 21).

Look Up! Uranus and the Waning Gibbous Moon Share the Sky

By Chelsea Gohd

Just before dawn today (Aug. 21), skywatchers will be able to spot both Uranus and the waning gibbous moon.