Betelgeuse is Dimming . . . Why?
The bright star Betelgeuse has faded to a historic low as astronomers try to figure out why.
Space Missions to Watch in 2020
Earth invades Mars and beyond with space missions in 2020
The Best Meteor Showers in 2020
Sky & Telescope predicts that the three best meteor showers — the Quadrantids (peaking on January 4th!), Perseids and Geminids — will all have strong showings this year.
What to See with Your New Telescope During 2019 Holidays
Maybe you just got a shiny new telescope to call your own. Congratulations — you could be on your way to discovering many amazing, far, deep things in the night sky.
An Extreme Pulsar Seen in Gamma Rays
One of the fastest spinning radio pulsars known has now been detected to pulse in gamma rays, too. What can we learn from these new observations?
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.
