Early risers get a triple treat this week and next: a ravishing dawn Moon, an excellent apparition of Mercury, and a hint of Halloween in the ghostly zodiacal light.
A stunning double star, Albireo is also a bit of an enigma. Is it a true binary or the result of a chance alignment?
In an age when UFO sightings are rife, we look at other possibilities that may help to explain the strange apparitions many see.
With this week's waxing Moon, we set off to explore its volcanic past with a look at a dozen intriguing lunar domes.
Throw open the door and welcome back Orion at dawn. The Hunter's return brings relief from the heat and gives us a fresh shot at exploring untouched winter deep-sky objects in comfort.
Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.
The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.
Make a connection to a time when stars were used to track seasons and predict natural events by watching the heliacal rising of Sirius.
An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall.
The meteors are coming! Three annual meteor showers are already active and guaranteed to spark up your summer nights.
Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.
Take an imaginary journey in a boat down the Milky Way's Great Rift, exploring rich star clouds and dark nebulae along the way.
A survey of free services and apps that let you keep tabs on space weather so you can anticipate the next great aurora.
Late June offers a grab bag of clusters and nebulae "lined up" at the midnight hour. Time your southern deep-sky viewing with meridian passage and you'll be a happy camper.
Take a trip down the rabbit hole to the weird and weighty world of planet-sized white dwarf stars.
Celebrate the June 20th solstice, when the Sun and the full Strawberry Moon combine their powers to illuminate both day and night.
Supernovae are popping up everywhere! Two stars flamed out millions of years ago and at least one is an easy catch right now in amateur telescopes.
It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.
Antares and Betelgeuse may be colossal stars, but we take it to the next level of stellar monstrosity with a visit to UY Scuti, a star that makes our Sun seem no bigger than a pinpoint.
Let Mars be your guide to no fewer than 15 diverse and delightful double stars that pepper its path through Scorpius and Libra this opposition season.
An old friend from winter returns for an encore in the morning sky. Already visible in binoculars, Comet PanSTARRS (C/2013 X1) may reach naked-eye visibility in June.
Mind your elders the next clear night and pay a visit to some of Spring's biggest and most ancient planetary nebulae.
Planning a sidewalk stargazing event? Here are a few suggestions to make sure people walk away smiling.
The recurrent nova T Coronae Borealis last made a splash just after World War II. Does its current restive state hint at an imminent outburst?
With astronomy being celebrated around the globe this month, join the fun by participating in a unique lunar observing challenge: track down 20 features once thought to show evidence of change from weather, geology, and even life.