SUNSET: 
Explore the Night with Bob King
Right Ascension & Declination: Celestial Coordinates for Beginners
Once you hold the golden keys of right ascension and declination, finding your way around the sky is almost as easy as finding your way around town.
Astronomy in Space with David Dickinson
Israeli Lunar Lander Heads to the Moon
Israel's Beresheet lunar lander was carried to space today on top of a Falcon 9 rocket, headed for a soft landing on the Moon in April.
Explore the Night with Bob King
Deep-Sky Observing Without Equipment, Part II — The Winter Sky
Really want to see what your eyes can do? Leave the telescope at home and join me for a naked-eye tour of the late winter sky.
Astronomy in Space with David Dickinson
NASA to Explore Early Universe, Origins of Life with SPHEREX
The SPHEREX mission will create multiple surveys of the near-infrared sky that will reveal the origins of life and perhaps the universe itself.
Imaging Foundations with Richard Wright
Astro-Imaging: Stretching the Truth
There's more than one way to stretch your data . . . and the truth.
Astronomy in Space with David Dickinson
Opportunity Reaches the End of Its Long Road
Despite months of listening, NASA has failed to pick up any signals from the stalwart Opportunity rover.
Explore the Night with Bob King
Will Sirius Disappear on February 18th?
On Monday night, February 18th, observers in the western U.S. and Mexico may see the occultation of a lifetime when a tiny asteroid momentarily blots out the night sky's brightest star.
Explore the Night with Bob King
Comet Iwamoto Ascends and Brightens
Comet Iwamoto is visible as a binocular target from a dark sky. Follow it this week as it passes from Virgo into Leo.
Explore the Night with Bob King
Happy Nights with the Hyades: Double Stars and Galaxies Await
The Hyades open cluster may stand in the shadow of its neighbor the Pleiades, but there's a wide variety of wonders here from naked-eye double stars to challenging galaxies. Let's pay a visit.
Astronomy in Space with David Dickinson
Speeding Up Plutonium Production for Space Exploration
Automation of a key process may yield an eightfold boost to U.S. plutonium production, a promising development for deep-space exploration.
Explore the Night with Bob King
A Space Rock Strikes Moon During the Total Lunar Eclipse
The Moon got bonked by a space rock during Sunday's total lunar eclipse. Take a look!
The Black Hole Files with Camille Carlisle
Piercing the Veil of Our Black Hole
Astronomers have overcome the interference of clumpy interstellar gas to catch a glimpse of the gas around the Milky Way’s central black hole.
Explore the Night with Bob King
Comets to Catch in 2019
We peek ahead to see what comets await in 2019. Bright ones will be sparse, but several nice objects, including Comet Iwamoto (C/2018 Y1) and Comet Africano (C/2018 W2), will keep things lively.
Imaging Foundations with Richard Wright
Astrophotography: Bits, Bytes & Dynamic Range
Wider is better for astrophotography — understand the basics of bit depth and dynamic range for better astrophotos.
The Black Hole Files with Camille Carlisle
Astronomers Use Annihilated Star to Clock Black Hole’s Spin
The glow of a star torn up by a supermassive black hole has enabled researchers to measure how fast the black hole whirls around.
Explore the Night with Bob King
Your Guide to January's Supermoon Total Lunar Eclipse
The first full Moon of 2019 meets Earth's shadow in a widely visible total eclipse on the evening of January 20–21. Here's a guide on what to expect.
Astronomy in Space with David Dickinson
China's Chang'e 4 Lands on the Lunar Farside
China's Chang'e 4 performed a historic first on January 3rd with a soft landing on the farside of the Moon.
The Black Hole Files with Camille Carlisle
Rotating Gas in a Quasar’s Heart
Astronomers have “imaged” gas as it orbits a supermassive black hole some 2 billion light-years away.
Cosmic Relief with David Grinspoon
NASA Renews Interest in SETI
After a long hiatus, NASA gets back into the SETI game with a workshop on “technosignatures.”
Explore the Night with Bob King
Start 2019 with the Quadrantid Meteor Shower
Set aside your qualms about the cold and cash in on the Quadrantids, one of this year's best meteor showers.
