Explore the Night with Bob King
Exploring Bright Galaxy Groups in Leo
Leo, the Lion, stands high in the southern sky during the early spring. We visit some of the constellation's brighter galaxy clumps then go asteroid hunting.
Imaging Foundations with Richard Wright
How Focal Ratio Affects Your Astro Images
Understand focal ratio to improve your astrophotography.
Cosmic Relief with David Grinspoon
Adiós, Arecibo
On the painful loss of an iconic Space Age observatory.
Astronomy in Space with David Dickinson
Perseverance's Fortnight of Firsts on Mars
NASA's Perseverance rover sends back postcards aplenty following its arrival on Mars as it prepares to explore Jezero Crater.
Explore the Night with Bob King
March — A Good Time to Visit Vesta
Dip into this easy guide to seeing the brightest asteroid, Vesta, and understanding what makes it unique.
Astronomy in Space with David Dickinson
Watch NASA's Perseverance Land in Jezero Crater on Mars
NASA’s Perseverance rover is providing us with amazing views of its new home., including an amazing video of the sky-crane descent.
Explore the Night with Bob King
A Deep-sky Hippity-hop through Lepus, the Hare
Snare a dozen bright double stars and deep-sky objects in the celestial Hare the next clear night. We also provide details on how to watch the potentially hazardous asteroid Apophis occult a star the night of February 21st.
Imaging Foundations with Richard Wright
Tips for Imaging Galaxies from Your Backyard
You don't need a dark-sky location to shoot galaxies — you can capture them from your backyard with these tips.
Astronomy in Space with David Dickinson
A Timeline for NASA’s Perseverance Landing on Mars
NASA’s Perseverance rover is set to land on Mars tomorrow in a complex but well-tested procedure — its very own "seven minutes of terror."
Astronomy in Space with David Dickinson
China's Tianwen 1 Arrives at Mars
China’s ambitious mission to Mars, Tianwen 1, has arrived at the Red Planet and will attempt to land a rover on the surface in May.
Astronomy in Space with David Dickinson
The United Arab Emirates' Hope Enters Orbit Around Mars
The United Arab Emirates Hope orbiter is the first in a series of spacecraft arriving at the Red Planet in the next week.
Explore the Night with Bob King
Planets and Comets Can't Hide from SOHO's Eye
With the help of the Solar Heliospheric Observatory you can not only keep track of the planets in the daytime sky but maybe even discover a comet.
Astronomy in Space with David Dickinson
Green Bank Tests New Planetary Radar
A newly installed planetary radar system on the Green Bank Radio Telescope will probe the solar system in detail.
Explore the Night with Bob King
Comet Watch 2021
If you own an 8-inch or larger telescope you might see more than a dozen new and returning comets this year, including one potential naked-eye candidate.
Imaging Foundations with Richard Wright
In Astrophotography, Bigger Is Not Always Better!
Don't be intimidated by astrophotography equipment — modest equipment can do great things.
Astronomy in Space with David Dickinson
NASA Extends Juno, InSight Missions
NASA has granted two key planetary missions extensions, so InSight and Juno will continue to return data from Mars and Jupiter, respectively, for years to come.
Cosmic Relief with David Grinspoon
Venus Surprise
Will phosphine be the “Mars rock” of our sister planet?
Explore the Night with Bob King
Foraging for Deep-sky Delights with Capella, the Goat Star
We explore deep-sky riches within a stone's throw of Capella, one of the season's brightest stars.
Astronomy in Space with David Dickinson
Space Missions to Watch in 2021
The coming year will feature three space missions arriving at Mars, the launch of SLS and James Webb, and much more.
Imaging Foundations with Richard Wright
A Free Tool for Lucky Imaging
Check out this free astrophotography software package that'll make processing your lucky images — especially of the Sun and Moon — a snap.
