The Arch of Spring enfolds Mars and Venus across the west. Wintry Sirius nears its heliacal setting low in the southwest, while the Summer Triangle stars come into view one by one in the east.
The post This Week's Sky at a Glance, April 28 – May 7 appeared first on Sky & Telescope.
When the Moon’s shadow swept across Earth on April 20th, tens of thousands traveled to Australia, Timor-Leste, and Indonesia to witness the celestial spectacle.
The post Totality “Down Under” appeared first on Sky & Telescope.
For the first time, astronomers have seen how the big plasma jet shot out by a supermassive black hole connects to the material falling into the black hole.
The post First Image of Black Hole Shadow and Jet Together appeared first on Sky & Telescope.
The Hakuto R lander, built by Tokyo-based iSpace, was to be a commercial mission to the Moon, but it has yet to phone home on landing day.
The post Japanese Mission Attempts Moon Landing, Falls Silent appeared first on Sky & Telescope.
The Moon hops past Venus and then Mars. Hydra snakes up, the Pointers point down, and the Arch of Spring spans the west.
The post This Week's Sky at a Glance, April 21 – 30 appeared first on Sky & Telescope.
Last March, S&T editor Diana Hannikainen accompanied a group of stargazers to the islands of Hawai'i on an astronomical adventure.
The post Travel Diary: The Skies and Astronomical Sights of Hawai`i appeared first on Sky & Telescope.
We have an exciting week ahead with a crescent Moon that might break your observing record followed by a well-timed Lyrid meteor shower.
The post See the Young Moon and the Lyrid Meteor Shower appeared first on Sky & Telescope.
A new analysis of Event Horizon Telescope data sharpens our view of the glowing gas encircling the black hole.
The post The First Black Hole Image, Take Two appeared first on Sky & Telescope.
A citizen-science project aims to broadcast the eclipses coming up this year and next.
The post How Citizen Scientists Can Help Broadcast Eclipses appeared first on Sky & Telescope.
The most distant pair of supermassive black holes discovered offers a unique insight into how galaxies merge.
The post Massive Black Hole Duo Spotted at Cosmic Noon appeared first on Sky & Telescope.
Don’t disbelieve the hype: New evidence for active volcanic vents on our sister planet is convincing.
The post Venus Lives! appeared first on Sky & Telescope.
ESA’s first dedicated mission to Jupiter launches from Guyana Space Center.
The post ESA's JUICE Mission Launches for Jupiter appeared first on Sky & Telescope.
A new catalog pinpoints volcanic cones in the best available surface images of Venus – those gathered 30 years ago by NASA’s Magellan spacecraft.
The post 85,000 Volcanoes Mapped on Venus appeared first on Sky & Telescope.
Venus shines with Aldebaran and the Pleiades in late twilight. After sunset on the 20th, try to spot your record-breaking thinnest young Moon. And Leo walks west with a mouse-galaxy dangling from his chin.
The post This Week's Sky at a Glance, April 14 – 23 appeared first on Sky & Telescope.
JWST's detection of early galaxies that are far more massive than astronomers had expected could mean we need to rewrite our understanding of the cosmos.
The post What the Discovery of Massive Early Galaxies Could Mean for Cosmology appeared first on Sky & Telescope.
Protect the night sky — join the International Dark-Sky Association for activities during International Dark-Sky Week.
The post "Discover the Night" During International Dark Sky Week, April 15–22 appeared first on Sky & Telescope.
Flashes of radio waves — whose exact sources are still a bit of a mystery — are helping astronomers learn about the hot gas that surrounds the Milky Way.
The post Mystery Bursts Give Astronomers a View into Galaxy Halos appeared first on Sky & Telescope.
Leading theories say giant planets shouldn’t be able to form around very low-mass stars. But a new study finds that, nevertheless, they do.
The post Giant Planets Around Small Stars appeared first on Sky & Telescope.
A long totality passing through Mexico, the U.S., and Canada beckons — and planning ahead will be crucial.
The post The Next Total Solar Eclipse Is Just a Year Away appeared first on Sky & Telescope.
Astronomers have discovered an asteroid that orbits the Sun with Earth, earning it the moniker "quasi-moon."
The post Does Earth Have a New Quasi-Moon? appeared first on Sky & Telescope.
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