SUNSET: 
Tour November's Sky: Predawn Planets
As you'll hear in this month's astronomy podcast, Venus and Jupiter are putting on quite a show low in the east before dawn.
Astronomers Spot First-Known Interstellar "Comet"
Telescopes only picked it up a week ago, but it's likely been traveling through interstellar space for millions of years.
New High-End Search for Lunar Impacts
A professional observatory in Greece has begun recording flashes created when bits of interplanetary debris strike the Moon.
Surprising Science from Cassini's Grand Finale
You'd think scientists would have Saturn all figured out after watching it up close for 13 years. They don't.
Surprise! Dwarf Planet Haumea Has a Ring
When the distant dwarf planet Haumea briefly slipped in front of a star last January, astronomers found more than they expected.
Hawai'i Gives Go-Ahead to Thirty Meter Telescope
After protests and a judge's ruling brought the colossal Thirty Meter Telescope project to a halt, a state panel has cleared the way for its construction atop Mauna Kea to proceed.
Tour October's Sky: Saturn in the Southwest
October's astronomy podcast helps you track down Saturn after sunset and offers a peek at what's in view before dawn.
Asteroid Florence Has Two Moons
A large Earth-approaching asteroid, now sailing near Earth, has a lumpy shape and is accompanied by a pair of tiny moonlets.
Tour September's Sky: Saturn Time!
In September's astronomy podcast, you'll learn what's special about the ringed planet Saturn, now visible in the evening sky.
New Horizons' 2019 Target: A Binary Body?
A challenging and intensive campaign by telescope-toting teams yields big-time results on the body that the New Horizons spacecraft will fly past in 17 months.
Tour August's Sky: Jupiter & Saturn Shine
There's more to look for this month than the solar eclipse. As you'll discover in August's astronomy podcast, Jupiter and Saturn are easy to spot in the evening sky.
Amateur Observers Find an Asteroid's Moon
A team of amateurs observers, some armed with just 3-inch telescopes, have found that the main-belt asteroid 113 Amalthea probably has a small companion.
Tour July's Sky: Find Jupiter, Saturn & More
Jupiter and Saturn are easy to spot in the evening sky, as you'll discover in July's fun and informative astronomy podcast.
New Wrinkles in the Search for “Planet X”
Are astronomers being misled about a possible ninth planet by the quirky alignment of orbits that they’re finding in the distant Kuiper Belt?
Observers Track New Horizons' Next Target
On June 3rd, two dozen teams of observers in South America and South Africa tried to learn something about distant 2014 MU69, which New Horizons will visit in early 2019.
Two New Satellites for Jupiter
Just a mile across, a pair of moonlets found orbiting Jupiter bring the planet's total satellite count to 69.
NASA's Lunar Orbiter Takes a Hit
A Moon-orbiting camera briefly shuddered — then got back to work — when it was hit by a tiny bit of space rock no bigger than a pinhead.
Tour June's Sky: Saturn at Opposition
June's astronomy podcast takes you on a star- and planet-studded tour of the sky you'll see after sunset.
Tour May's Sky: Big Dipper Leads the Way
Listen to May's astronomy podcast to learn why stargazers think of the Big Dipper as the "Swiss Army Knife" of the late-spring northern sky.
Tour April's Sky: Critters on the March
As you'll hear in this month's podcast, April is a time when it's easy to spot a lion, a sea serpent, and two bears in the evening sky.
