SUNSET: 
What We See in the First Science Images from the James Webb Space Telescope
The James Webb Space Telescope released its first science images today. Here's what these images show us.
Why We Look Up with Jennifer Willis
Stargazing’s Lessons for Living
Can stargazing make you a better person?
Explore the Night with Bob King
Titan Occults a Bright Star, Mira Awakens, and Comet PanSTARRS Shines
Pick one or see them all. July offers a potpourri of celestial events for both naked-eye observers and telescope users that include a rare occultation by Saturn's moon Titan, a bright comet, and Mira at maximum.
Monstrous Black Holes Spin More Slowly — But Why?
X-ray observations add to growing evidence that the most massive black holes have a different past than their lightweight peers.
Successful Launch of Capstone, the Lunar Gateway Pathfinder
Capstone, a small pathfinder spacecraft with a big mission, launched today to pave the way for crewed return to the Moon.
Astronomy in Space with David Dickinson
Found: Booster Impact Crater on the Farside of the Moon
The Lunar Reconnaissance Orbiter mission has found the impact site created March 4th. The crater might help reveal the impactor's identity.
Explore the Night with Bob King
Solar System Gets its Ducks in a Row
We'll have not one but many opportunities to enjoy a rare lineup of the bright planets over the next few weeks. Amazingly, they'll be aligned in order of their distance from the Sun.
Cosmic Relief with David Grinspoon
Crash as Trash
When should we start thinking about cleaning up our space junk on Mars?
Astronomy in Space with David Dickinson
Perseverance Watches Wild Winds on Mars
NASA’s Perseverance rover is recording the windy weather in Jezero Crater, chronicling its role in making the Red Planet dusty.
Explore the Night with Bob King
Tau Herculid Meteors Surprise and Delight
We touch on the highlights of the memorable Tau Herculid meteor shower and also report on the recent outburst of the recurrent nova U Scorpii.
Why We Look Up with Jennifer Willis
Lunaphiles, Unite!
The Moon is our most obvious and immediate celestial companion. For many stargazers, the Moon was our first astronomical love.
Explore the Night with Bob King
A New Way to See the Big Dipper
Unlike most asterisms, many of the Big Dipper's stars really are physically connected. They belong to a loosely bound stellar stream called the Ursa Major Moving Cluster.
NASA's Insight Lander Detects Monster Marsquake
NASA’s Mars Insight lander witnessed the largest quake detected on another world at just the right time — as the lander begins to run low on power.
Explore the Night with Bob King
Witness a Total Lunar Eclipse on Sunday, May 15–16
The full Flower Moon ducks inside Earth's shadow in a total lunar eclipse this month. We help you prepare for all the highlights of the special event.
The Black Hole Files with Camille Carlisle
Astronomers Unveil Image of the Milky Way’s Central Black Hole
Using a worldwide array of telescopes, the Event Horizon Telescope team has given us our first look at Sagittarius A*.
Why We Look Up with Jennifer Willis
In Praise of Small-Scope Astronomy
Many an amateur astronomer has desired a bigger telescope, but sometimes it's worth taking a moment to appreciate what we have.
The Black Hole Files with Camille Carlisle
10 New Merger Events in Gravitational-Wave Data
An independent team has found additional black hole mergers in LIGO data.
Explore the Night with Bob King
How to Observe and Measure Naked-eye Sunspots
As Solar Cycle 25 ticks up, naked-eye sunspots are becoming more frequent. They're not only fun to observe, but with this simple method you can determine just how big they are. We also have news on a bright supernova!
New Target for Asteroid Probe: “Potentially Hazardous” Apophis
Once the primary mission of NASA's OSIRIS-REx is complete, the spacecraft will head toward a new destination: near-Earth asteroid Apophis.
Explore the Night with Bob King
Celebrate Spring with the Lyrids
People have been watching the annual Lyrid meteor shower for more than 2,700 years. Come join the crowd!
