SUNSET: 
Cosmic Relief with David Grinspoon
Chipping Away at Exoplanets
Human ingenuity is helping us unlock the secrets of unimaginably distant worlds — exoplanets.
Explore the Night with Bob King
Vega Promises, Venus Visits M35, and a Subtle Comet Shines at Morning
A familiar light shines in the east at dusk, Venus makes a pit stop at a departing star cluster, and Comet PanSTARRS (C/2016 M1) coaxes before dawn.
Astronomy in Space with David Dickinson
Helicopter to Hitch a Ride with Mars 2020 Rover
A small helicopter will be the first mission to fly through the skies of Mars.
Explore the Night with Bob King
Jupiter Shines with a Mighty Light
Jupiter's at opposition this week. Close and bright, it shines like a midnight version of Venus. No matter your scope, the biggest planet is always a crowd-pleaser.
Astronomy in Space with David Dickinson
Mars-bound CubeSats Launch With NASA's InSight
The Mars Cube One mission — the first to send CubeSats into interplanetary space — will test revolutionary relay technologies as it accompanies Mars Insight to the Red Planet.
The Black Hole Files with Camille Carlisle
Do Big Black Holes Wander the Galaxy?
New simulation work suggests that galaxies like the Milky Way could be home to a dozen supermassive black holes.
Explore the Night with Bob King
Time Travel for Skywatchers
Time travel is one of the best things about astronomy. Check out two websites that give skywatchers a more visceral sense of stellar distances and how constellations change shape across the sweep of time.
Explore the Night with Bob King
Dwarf Nova V392 Persei Goes Big — It's Now Binocular Bright
In a rare move, a sleepy cataclysmic variable blows its top and suddenly becomes a nova.
Explore the Night with Bob King
Seven Nights of Enticing Lunar Sights
Come along for a 7-night tour of some of the Moon's most compelling features visible in small telescopes.
Astronomy in Space with David Dickinson
Pluto's Moon Charon Receives Formal Names
The International Astronomical Union has approved names for features on Pluto's largest moon, Charon.
Explore the Night with Bob King
The Lyrid Shower Kicks Off Year of Great Meteor Watching
The annual Lyrid meteor shower will shoot off silent fireworks on Earth Day this Sunday. We explore the shower's origin and how best to view and photograph it.
10 U.S. Dark-Sky Parks You Need To Visit
There’s a simple rule for anyone searching for a dark sky; go somewhere others are not. The spread of LED lighting in North America over the past decade or so has worsened light pollution and skyglow in many previously dark locations. However, the vastness of the U.S. means there are…
Imaging Foundations with Richard Wright
An Astrophotographer's Gentle Introduction to Noise
You don't need a PhD to understand noise in astronomical images — here's an introduction to the various sources of noise in astrophotography and how to combat them.
Explore the Night with Bob King
Dusty Vistas: Best Gritty Galaxies of the Season
Stare up at the Milky Way band on a dark night and you'll see missing pieces from clouds of foreground dust that absorb the light of distant stars. There are other mottled "milky ways" just like ours, millions of light-years away.
Astronomy in Space with David Dickinson
ARIEL: Next-Decade Exoplanet Mission Selected
The European Space Agency's ARIEL mission will seek to analyze the atmospheric composition and true nature of distant worlds.
Explore the Night with Bob King
Big Scope Breakout: New Supernovae, Novae, Bright Spot on Saturn
The sky's been bursting with exploding stars this season. Plus there's a new storm on Saturn. What's a skywatcher to do? Haul out the scope!
Explore the Night with Bob King
Put a Little Bit of Leo in Your Life
We lift the Lion's paw to find a bright, red variable star, a germinating planetary nebula, galaxies rarely visited, and a diversity of doubles.
Astronomy in Space with David Dickinson
Tiangong 1's Remote Reentry
China's first space station reentered Earth's atmosphere over the South Pacific after almost seven years in space.
Explore the Night with Bob King
What Southern Stargazers Long to See in Northern Skies
Southern Hemisphere objects like Omega Centauri and the Magellanic Clouds make Northern Hemisphere observers envious. Today, we turn the tables and find out what those living in negative latitudes would love to see up north.
Explore the Night with Bob King
Last Chance to See Doomed Chinese Space Station
China's premier space station, Tiangong 1, has a one-way ticket into the Earth's atmosphere later this month. See it before it's no more.
