Astronomy June 5, 2025 Michael’s Miscellany: Observing tips Here are a few things to consider before you put your eye to an eyepiece.
Astronomy June 2, 2025 Deep-Sky Dreams: Open cluster NGC 225 NGC 225 in Cassiopeia is an open cluster that is sometimes called the Sailboat Cluster or the Halloween Cat.
Astronomy June 2, 2025 Farewell, Mr. Eclipse: Fred Espenak dies at 71 NASA astrophysicist and Earth’s premiere authority on solar eclipses, Fred Espenak, died June 1, 2025.
Astronomy June 2, 2025 This Week in Astronomy with Dave Eicher: Venus in the Morning Sky See the third-brightest celestial object as it dazzles before dawn.
Astronomy May 31, 2025 Telescopes and Equipment Whether you're looking for a new telescope, eyepiece, binoculars, or anything else you need to up your observing game, we've got you covered...
Astronomy May 30, 2025 Open Cluster NGC 7789 Located in Cassiopeia, open cluster NGC7789, or "Caroline's Rose," is one of the richest clusters you'll observe in the northern sky.
Astronomy May 30, 2025 Michael’s Miscellany: Universal Time The time we now use around the world is called Universal time, or UT. It was formalized a century ago — here's how it works.
Astronomy May 30, 2025 Deep-Sky Objects Deep-sky objects are celestial objects that exist outside our solar system. Three major types of deep-sky objects are nebulae, star clusters...
Astronomy May 29, 2025 The Owl Cluster in Cassiopeia The Owl Cluster is an open cluster in Cassiopeia that has the appearance of a bird in flight — at least to one magazine editor.
Astronomy May 29, 2025 Review: DwarfLab’s DWARF 3 Smart Telescope DwarfLab’s updated smart scope has a larger lens, an equatorial option, and an enhanced sensor.
Astronomy May 28, 2025 Deep-Sky Dreams: Sharpless 2–157 Sharpless 2–157 is rarely observed by amateur astronomers. It is sometimes called the Lobster Claw Nebula due to its distinctive shape.
Astronomy May 28, 2025 Voyage to an asteroid and a comet The Tianwen-2 spacecraft will study both of these solar system bodies up close.
Astronomy May 27, 2025 Deep-Sky Dreams: The Bubble Nebula NGC 7635, also called the Bubble Nebula, is an emission nebula lit from within by the hot, young star SAO 20575.
Astronomy May 24, 2025 How close are we to 'The Martian'? A planetary scientist checks in A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?
Astronomy May 23, 2025 Deep-Sky Dreams: Kemble's Cascade Kemble's Cascade is an asterism in Camelopardalis in which a line of colorful stars appears to terminate with the small open cluster NGC 150...
Astronomy May 23, 2025 Asteroids hitting the Moon may have spiked its magnetic field A combination of a dynamo-generated magnetic field and massive impacts could explain the highly magnetized rocks in some lunar regions.
Astronomy May 23, 2025 Does our solar system have a new dwarf planet? The recently discovered object has a diameter about one-third that of Pluto.
Astronomy May 23, 2025 Observing Basics Having trouble finding your way around the sky? Curious what that celestial object is? Here's what you need to know to get outside and start...
Astronomy May 22, 2025 Deep-Sky Dreams: Face-on spiral IC 342 Also known as the enigmatic "hidden galaxy," IC 342 is a big barred spiral with low surface brightness in the constellation Camelopardalis.
Astronomy May 22, 2025 Michael’s Miscellany: Mosquitoes Here’s how to deal with this problem when you’re observing.
Astronomy May 21, 2025 Michael’s Miscellany: Virgo’s finest galaxies This spring, point your telescope at these 15 star cities.
Astronomy May 21, 2025 Stellar gifts for Dad: 10 astronomy essentials for Father’s Day These practical telescope accessories make great gifts — and they’re all priced to keep your budget intact.
Astronomy May 20, 2025 The Moon’s two different faces Our satellite is a little off-balance. GRAIL data show a mass asymmetry of a few percent between its near and far sides.
Astronomy May 19, 2025 Deep-Sky Dreams: Peculiar galaxy NGC 520 NGC 520 is a bright and highly distorted galaxy in the constellation Pisces, discovered by William Herschel in 1784.
Astronomy May 19, 2025 The Tarantula Nebula casts a wide web The Hubble Space Telescope image of the Tarantula Nebula's outskirts shows colorful stars, billowing gas clouds, and thick dust.
Astronomy May 19, 2025 Astrophotography Photographing the night sky can be an intimidating task. But by following a few simple tips, you can start capturing your own stunning astro...
Astronomy May 16, 2025 Deep-Sky Dreams: Coddington’s Nebula Calling this object a “nebula” is a bit of a misnomer, but galaxy IC 2574 does feature impressively large star-forming regions.
Astronomy May 15, 2025 The Kutch region of India is a nightscape photographer’s dream This region in the western part of India offers a combination of unique landscapes and dark skies.
Astronomy May 15, 2025 Explore explosive supernovae from your backyard The ephemeral remnants left behind by exploding stars are some of the most extraordinary objects visible to astronomers here on Earth.
Astronomy May 14, 2025 Deep-Sky Dreams: A great redshift controversy The galaxy NGC 4319 and the quasar Markarian 205 were linked in the mind of famed astronomer Halton Arp.
Astronomy May 14, 2025 Astronomers have discovered the Big Wheel — here's why it's significant This enormous disk object formed soon after the Big Bang, challenging what we know about how galaxies grow.
Astronomy May 14, 2025 Michael’s Miscellany: Coordinates Astronomers developed a system "attached" to the sky.
Astronomy May 13, 2025 Deep-Sky Dreams: The Cat’s Eye Nebula NGC 6543, also called the Cat's Eye Nebula, is a planetary nebula in Draco with a high surface brightness.
Astronomy May 12, 2025 Deep-Sky Dreams Dwarf galaxies are numerous but hard to observe — this one orbits our own Milky Way.
Astronomy May 12, 2025 Deep-Sky Dreams Dwarf galaxies are numerous but hard to observe — this one orbits our own Milky Way.
Astronomy May 12, 2025 Is dew point or relative humidity more important for good astronomical seeing? It really depends on the higher levels of our atmosphere, but a lower dew point is a better starting point for good observing.
Astronomy May 12, 2025 Spacecraft can ‘brake’ in space using drag An aerospace engineer explains why NASA, Space Force and other agencies are using or testing aerobraking for more fuel-efficient spacecraft.
Astronomy May 12, 2025 This Week in Astronomy with Dave Eicher: The Owl Nebula This expanding cloud of gas shows what the Sun will become in 6 billion years.
Astronomy May 12, 2025 These five famous stars in the sky host exoplanets These stars are bright and easy to observe from your backyard — and all of them host planets of their own.
Astronomy May 9, 2025 Michael’s Miscellany: Leo the Great This constellation carries the same name as the new pope.
Astronomy May 8, 2025 Deep-Sky Dreams: Gyulbudaghian’s Nebula This strange nebula, which sports a very long name, was discovered in 1977 and has changed dramatically over time.
Astronomy May 8, 2025 10 women who changed astronomy Often bucking tradition, these women sought knowledge of the universe and reimagined the way we view the cosmos.
Astronomy May 8, 2025 Why astronomers are starting to doubt cosmology’s standard model The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — forcing cosmol...
Astronomy May 7, 2025 Deep-Sky Dreams: The Iris Nebula The Iris Nebula (NGC 7023) is an odd reflection nebula surrounding a magnitude 7.4 star, SAO 19158, in the constellation Cepheus.
Astronomy May 7, 2025 JWST reveals secrets of a sub-Neptune exoplanet New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.
Astronomy May 7, 2025 Michael’s Miscellany: Celebrating David Fabricius This 17th-century astronomer made some key discoveries.
Astronomy May 6, 2025 Deep-Sky Dreams: The Cepheus Molecular Cloud In this new series, Astronomy Editor Dave Eicher will be highlighting a different deep-sky object every day.
Astronomy May 6, 2025 NASA’s SPHEREx space telescope makes its debut The space-based observatory, launched at the end of March, released its first set of images, in which a cloud of dust performs a disappearin...
