SUNSET: 
This Week's Sky at a Glance, June 3 – 11
For three nights running, the waxing Moon will pose equidistant from the two brightest stars of Leo. The Cassiopeia W lies exactly level in the north. And for that to happen, Kochab has to be straight above Polaris.
The Life and Times of Immortal Stars
Under the right conditions, stars could become immortal. How is this possible, and what does it mean for these stars’ surroundings?
June: Pre-dawn Planet-Palooza
Download this month's Sky Tour podcast to find out where and when to spot a rare alignment of five planets in the sky before dawn.
Meet Denebola, and Catch a Lion by the Tail
Meet Denebola, the tail of Leo, the Lion. This young star is a fast rotater but otherwise not that different from our Sun.
This Week's Sky at a Glance, May 27 – June 4
The crescent Moon passes Pollux and Castor in the western twilight. Jupiter aligns with Mars in the dawn, then they edge apart. And a strong new meteor shower will either happen or it won't!
Update on a Possible Outburst of Meteors
Will there be a new meteor shower on the night of May 30–31? There's only one way to find out.
Mystery of the Sun's Chemical Makeup Lingers
Astronomers think they might have a solution to the conundrum of the Sun's chemical composition.
Explore the Night with Bob King
A New Way to See the Big Dipper
Unlike most asterisms, many of the Big Dipper's stars really are physically connected. They belong to a loosely bound stellar stream called the Ursa Major Moving Cluster.
Piano Concerto on the Planets Premieres
A piano concerto based on the solar system’s planets just had its world premiere. And you can hear a sampling of the music right here!
The Sun Is Waking Up — Right On Schedule
The Sun is ramping up activity, but contrary to some reports, this solar cycle is still consistent with scientists' predictions.
This Week's Sky at a Glance, May 20 – 28
The advancing spring sends Vega high and Capella low. The Coma Berenices cluster glitters shyly way up, big and dim. Glance up anytime to check on changing Beta Lyrae. And now in the dawn, Jupiter aligns with Mars.
Seeing Inside a Cosmic Superaccelerator
Astronomers are exploring a celestial particle accelerator in the Eel Nebula that surrounds a distant pulsar.
NASA's Insight Lander Detects Monster Marsquake
NASA’s Mars Insight lander witnessed the largest quake detected on another world at just the right time — as the lander begins to run low on power.
A Cosmic Collision Could Have Made Two Dark Matter–Less Galaxies
Astronomers connect the dots between two strange doppelganger galaxies, uncovering what might be a string of galactic pearls created in a cosmic collision 8 billion years ago.
Spotting Dots on the Sun
You’ve heard of sunspots, but how about Sun dots? A recent solar mission has snapped photos of tiny, bright dots on the Sun, and astronomers are contemplating their cause.
Explore the Night with Bob King
Witness a Total Lunar Eclipse on Sunday, May 15–16
The full Flower Moon ducks inside Earth's shadow in a total lunar eclipse this month. We help you prepare for all the highlights of the special event.
The Black Hole Files with Camille Carlisle
Astronomers Unveil Image of the Milky Way’s Central Black Hole
Using a worldwide array of telescopes, the Event Horizon Telescope team has given us our first look at Sagittarius A*.
This Week's Sky at a Glance, May 13 – 21
The Moon becomes totally eclipsed, Corvus eyes Spica, Draco eyes Vega, and the last star of the rising Summer Triangle clears the horizon.
Astronomers Watched a White Dwarf Turn into a Thermonuclear Fireball
Astronomers have spotted the X-ray flash that precedes a nova. The brief flare is the first sign of a white dwarf erupting into a nuclear-fusion fireball.
S&T Authors Win Science Journalism Awards
Two Sky & Telescope authors have won prestigious awards recognizing excellence in science journalism.
