SUNSET: 
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.
Astronomy in Space with David Dickinson
Space Missions to Watch in 2019
Multiple trips to the Moon, physics satellites, and Europe's long-awaited exoplanet explorer are among the space missions on tap for 2019.
Explore the Night with Bob King
Venus Occults a Star and Mercury Joins Jupiter on the Winter Solstice
Bring in winter with a bang with a beautiful, close conjunction and a rare planet-star occultation.
The Black Hole Files with Camille Carlisle
What LIGO Teaches Us About Black Holes
The rising count of gravitational-wave events is giving us a new look at a once-invisible population of black holes.
Imaging Foundations with Richard Wright
Astrophotography: Let's Get Linear
Richard Wright explains the importance of linearity — a measure of how a detector accumulates lights — in getting the most from your space images.
Explore the Night with Bob King
Chasing Comet 46P/Wirtanen as the Moon Looms
Learn how chase away the Moon to keep Comet 46P/Wirtanen in a dark sky. Here's an update on the comet's progress and what to look for in the coming nights.
Explore the Night with Bob King
Spend an Hour with the Geminid Meteor Shower
Move over 46P/Wirtanen, it's time for the Geminids, the richest meteor shower of the year.
Astronomy in Space with David Dickinson
Chang'e 4 Probe Heads to the Lunar Farside
China's latest lunar mission will drop a lander and rover in one of the oldest terrains on the Moon, becoming the first craft to intentionally land on and explore the farside.
Explore the Night with Bob King
Mars and Neptune Have a Close Shave
Want to find Neptune the easy way? Just point your binoculars or telescope at Mars the next few nights, when the two planets will be in close conjunction.
Explore the Night with Bob King
SpaceX Launches Orbiting "Sculpture in the Sky" / Comet Update
An art sculpture achieves orbit, 46P/Wirtanen becomes a naked-eye comet, and C/2018 V1 makes one last good pass.
