SUNSET: 
Top 10 Astronomy News Stories of 2019
Our pick for the biggest astronomy news story of the year is the first-ever image of a black hole “shadow.” What's yours?
How Young Galaxies Grow
A pair of recent studies sheds light on some of the universe’s earliest galaxies and how they grow.
European Mission Launches to Examine Alien Worlds
The European Cheops mission launched Wednesday on a mission to improve our understanding of hundreds of known exoplanets.
2020 Total Solar Eclipse: Update from Patagonia
Check out the viewing site and accommodations in Argentina's lush Lake District for Sky & Telescope's expedition to witness the 2020 total solar eclipse on December 14, 2020.
Hubble Images Comet Borisov at Perihelion
The Hubble Space Telescope imaged the interstellar comet 2I/Borisov when it came closest to the Sun before heading back out of the solar system.
New Cyclone Joins Jupiter’s South Pole Club
Stunning new images from NASA’s Juno mission reveal that a new cyclone has budged its way into the grouping at Jupiter’s south pole.
NASA Announces Site of Sample Selection for Osiris-REX
NASA has picked the "Nightingale" site, located within a small crater on the asteroid Bennu, for its Osiris-REX mission to sample next year.
Deep-sky Dive Into the Great Square of Pegasus
We return to Pegasus, but this time with a telescope to find a grab-bag of overlooked deep-sky treasures.
Geminids and the Moon Duke it Out
Don't let light from the gibbous Moon discourage you from enjoying the annual Geminid meteor show on the peak night, December 13-14.
Meade Instruments Files for Bankruptcy Protection
Meade Telescopes files for Chapter 11 Bankruptcy protection after loosing an antitrust lawsuit brought by Orion Telescopes & Binoculars.
How Saturn's Moon Got Its Stripes
Astronomers have struggled to understand the origin of the parallel fractures on Saturn’s icy moon Enceladus, known as “tiger stripes,” from which water-ice spews into space. Now, a single explanation ties all the pieces together.
How a White Dwarf Is Vaporizing Its Giant Planet
Astronomers have long suspected that white dwarfs eat their planetary companions. Now, indirect observations show the process in action.
Asteroid Bennu’s Activity Still a Mystery
The near-Earth asteroid constantly shoots out rocks, leaving planetary scientists perplexed.
First Science Returns from NASA's Parker Solar Probe
In the first public release of data from NASA’s flagship heliophysics mission, scientists on the Parker Solar Probe team reveal surprises and mysteries from our host star.
The Starlink Situation
Shots of the Starlink satellite train crossing the heavens are dramatic — even shocking — but they’re also a bit misleading. The real problems that Starlink and other megaconstellation satellites pose are more insidious.
The Appearance of a Black Hole’s Shadow
In April of this year, the Event Horizon Telescope captured the first detailed images of the shadow of a black hole. In a new study, a team of scientists has now explored what determines the size and shape of black hole shadows like this one.
New Method May Expedite Search for Exoplanets with Atmospheres
A team of astronomers propose screening exoplanets by their temperatures to determine whether they host an atmosphere — and are worth following up.
Counting Stars in the Great Square
Test the limits of your vision — and the darkness of your sky — by taking a plunge into the Great Square of Pegasus.
Heavyweight Black Hole Find Mystifies Astronomers
Observations of a star have found it orbiting an unexpectedly massive black hole. If the discovery pans out, it would change our understanding of how massive stars die.
Three Black Holes May Merge in Nearby Galaxy
New observations of a galactic crash site show that there are not just two but three supermassive black holes on the verge of union. Two of them are only 650 light-years apart, the closest pair known.
