Astronomers Get the Goods on Jupiter-Smacking Space Rock By Mike Wall The space rock that whacked Jupiter last month has lost its air of mystery.
First Glimpses of Interstellar Comet Suggest It's Not So Different By Meghan Bartels Astronomers are rushing to study what appears to be the first known interstellar comet — and in some of the very earliest observations, it looks oddly familiar.
Watch an Asteroid Fly by Earth Today in a Live Webcast from Slooh! By Elizabeth Howell This weekend you can see live telescope views of an asteroid hurtling past Earth, thanks to astronomy broadcaster Slooh.
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.
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.
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.
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.
2019 Full Moon Calendar By Tim Sharp, Kimberly Hickok The full moon happens once a month. Find out when.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
Space Launch Calendar 2019: Sky Events, Missions & More By Hanneke Weitering Here's a guide to SpaceX's launch schedule, other rocket missions, astronomical events of the next year, as well as milestones for spacecraft already in travel.
The Brightest Visible Planets in September's Night Sky: How to See them (and When) By Joe Rao Here's how to see three naked-eye planets visible in September's night sky.
