SUNSET: 
Explore the Night with Bob King
How Bright Will Comet Leonard Get?
We examine circumstances and expectations for the current apparition of Comet Leonard, which may become the year's brightest comet.
New Horizons Discovers Kuiper Belt "Twins"
New Horizons has spotted two asteroid pairs in the outer solar system. Their existence sheds light on how planets formed.
Why We Look Up with Jennifer Willis
Don't Postpone Joy: Why We Stargaze
Why do you stargaze? Amateur astronomer Jennifer Willis explores reconnection via the night sky.
Comet 29P Undergoes Brightest Outburst in Recent Years
Catch one of the most active small bodies in the solar system during a rare superoutburst.
Explore the Night with Bob King
Cassiopeia Cornucopia — Pretty Little Clusters All in a Row
See nine unique open clusters in Cassiopeia while barely moving your telescope.
Shredded Star Reveals Elusive Middle-Mass Black Hole
Astronomers have used the death of a star to uncover details about a hidden intermediate-mass black hole.
NASA Announces Moon Landing Site for VIPER Mission
NASA’s VIPER rover will land and search for water ice in the unexplored Nobile region at the Moon's south pole.
CUPID Sun-Earth Space Weather CubeSat to Launch With LandSat-9
A small mission will hitch a ride to space in late September to study interactions at the Earth-Sun boundary.
Astrophotography: Tips & Techniques
Getting Started in Planetary Imaging
It's planet season! Here are some tips to help you start imaging the giant planets while they're in easy view.
Cosmic Relief with David Grinspoon
The Prime of Their Lives
The strange cycles of cicadas offer timely insight into the search for ET.
Explore the Night with Bob King
Asteroid Pallas Makes a Point in Pisces
Spice up your fall observing with a dash of Pallas and nibble of Neptune. Both planet and asteroid are easy to spot in a small telescope.
Amateurs Spot New Impact Flash at Jupiter
An amateur astronomer has discovered a possible new impact flash in Jupiter's equatorial region. Observers may yet see the dark impact scar.
Astronomy in Space with David Dickinson
Perseverance Successfully Grabs First Mars Samples (Updates)
After a rocky first start, Perseverance hit pay dirt on the second try. The rover collected two samples recording ancient volcanic eruptions and groundwater interaction.
Astronomy in Space with David Dickinson
NASA's Deep Space Network Upgraded
NASA is upgrading its Deep Space Network to keep up with the demands of modern interplanetary communications.
Making Time for Morning Comets
If you like mixing comets with the quietude of observing in the small hours, September opens with five fuzzy vagabonds just waiting for a visit.
Astronomy in Space with David Dickinson
ESCAPADE Blue and Gold Orbiters Head to Mars in 2024
A pair of spacecraft will head to Mars in 2024 as the ESCAPADE mission, to study the Martian space weather environment.
Astronomy in Space with David Dickinson
Astronomers Discover Asteroid that Flies Close to the Sun
Newly discovered asteroid 2021 PH27 orbits the Sun in just 113 days.
Jupiter Dazzles at Its Brightest and Closest This Year
Jupiter comes to opposition on August 20th, when it will shine brighter and closer than at any other time this year. With nights starting earlier and cooler temperatures arriving, there's no better time to make the most of the planet.
Imaging Foundations with Richard Wright
Astrophotography: How Long Can You Go?
While many astrophotographers follow the "rule of 500" (or 300), some experimentation can help find the right exposure time for your setup.
Fine Show Expected from the Perseid Meteor Shower
With no interference from the Moon, this year's Perseid meteor shower should be excellent. If you couldn't catch the show last night, try looking up tonight!
