SUNSET: 
Giant Oort Cloud Comet Lights Up in the Outer Solar System
Astronomers have discovered a new comet coming from the Oort Cloud — and it appears to be a big one.
The Giant Star That "Blinked"
Astronomers are trying to understand why a giant star "blinked," fading almost completely before brightening again over the course of about 200 days.
Plan Ahead for the 2023 Annular Solar Eclipse — and a Visit to Dark Sky Parks
If today’s solar eclipse has you wondering when the next one will cross the continent, start planning now for a stellar trip around October 14, 2023.
This Week's Sky at a Glance, June 18 – 26
Summer begins. The Honey Moon poses with Spica, Scorpius, and the Teapot as it waxes from gibbous through full this week. Venus lines up, briefly, with Castor and Pollux
Iron Volcanos: Maybe Not Science Fiction After All
A new study of asteroid 16 Psyche suggests that ferrovolcanism, volcanoes that spewed molten iron, might have been present on this object.
Summer Nights Offer Splendid Sights in Lyra
Lyra, the Lyre, offers a wonderful assortment of double stars and deep-sky objects to keep you up at night. Break out your binoculars and telescope and join me for a summertime ramble.
Twisters in the Cosmic Web
Astronomers have found that the largest structures in the universe spin, making twister-like strings of galaxies and dark matter in the cosmic web.
From Starving Black Holes to Warped Galaxies
Hot topics from the American Astronomical Society summer meeting range from colliding galaxies, to warped galaxies, to starving black holes.
Astronomers Look into the Past of Local Dwarf Galaxies
A combination of simulations and observations indicates that galaxies like the Large Magellanic Cloud control when punier dwarfs plunge into large galaxies.
Astronomy in Space with David Dickinson
China’s Zhurong Rover Snaps Selfie on Mars
China's Zhurong rover gets to work exploring Mars, with a new panorama of its landing site.
Bright Nova in Hercules on a Roller Coaster Ride
A new bright nova discovered in Hercules at 8th magnitude briefly rose to naked-eye visibility. It's currently easily visible in a pair of binoculars.
Number of Known Mysterious Radio Flashes Nearly Quadruples
The CHIME telescope has released its first catalog with 492 unique sources of fast radio bursts, the brief flashes of radio waves that have been intriguing astronomers over the past decade.
Explore the Night with Bob King
Chasing the Sun at 39,000 Feet
Sky & Telescope's annular-eclipse flight chased down the "ring of fire" eclipse in the skies above Canada for breathtaking views.
This Week's Sky at a Glance, June 11 – 19
The crescent Moon passes Venus, Pollux, Castor, and Mars in the evening twilight. The Big Dipper hangs down; the Little Dipper floats up. And greet the "Betelgeuse of summer."
Not All Star-forming Clouds Are The Same
Astronomers have created the first high-resolution maps of the big, dense gas clouds that form stars within galaxies.
A Sunrise Annular Solar Eclipse
Even if you're not in the path of annularity during the June 10th solar eclipse, get ready for a sunrise spectacle.
Juno’s Ganymede Flyby: A Look Back [Update: New Images]
NASA's Juno will fly by Jupiter's Ganymede, the biggest moon in the solar system, on June 7, 2021. This will be the eighth flyby of the space age.
Astronomy in Space with David Dickinson
We're Heading to Venus! NASA Selects Discovery-class Missions
After a hiatus of several decades, NASA is about to return to Venus in a big way.
This Week's Sky at a Glance, June 4 – 12
Pollux and Castor slide down past Mars in the west, while Venus, shining brightly below, tries to hog attention. On the other side of the sky, the enormous arch of the Milky Way hoves into view after dark behind the Summer Triangle.
Metal-poor Stars Shed Light on the Origin of Gold
Explosions of massive stars might have produced gold and other rare heavy elements observed in metal-poor stars in our galaxy’s halo.
