SUNSET: 
Hints of Young Solar Systems
By studying the images of small young star systems, astronomers expect to learn more about the formation of our solar system.
Here’s What’s New in the Pocket Sky Atlas, 2nd Edition
Sky & Telescope presents the second edition of its most popular celestial atlases, the Pocket Sky Atlas and the Jumbo Pocket Sky Atlas!
Perseids Peak August 11–12 — Get Ready for the Show
The Perseid meteor shower is like no other. Every August it delivers up to 100 meteors an hour in pleasant weather conducive to getting outside and staying up late. What's more, most kids still aren't in school, making it possible for the entire family to enjoy the event.
Asteroid Ceres: An Ocean World
Scientists have thought that the largest main-belt asteroid, Ceres, had an ancient ocean beneath its surface. But new data from the Dawn spacecraft show the underground ocean might still be there.
Potential New Targets for Japan's Hayabusa 2 Mission
The Hayabusa 2 team has laid out a proposal for an extended mission to one of two asteroids after the spacecraft's sample return this December.
Radioactive Aluminum Sheds Light on Solar System History
Astronomers thought giant stars were reponsible for flooding the early system with a radioative isotope — but the Sun itself might have made it.
Was Early Mars "Wet and Warm"? Or Wet and Cold?
A new model suggests that Martian valley networks might have been created by ancient subglacial rivers rather than water flowing on the surface.
August 2020: Planets & Perseids
The Perseids are upon us — and as you're looking out for shooting stars, look for Jupiter and Saturn low in the southeast as soon as night begins to fall.
Neutron Star Found in Supernova 1987A
After decades of searching, astronomers have finally found evidence for a collapsed core at the center of the nearest supernova recorded in recent history.
Our Unexpectedly Smooth Universe May Point to New Physics
The latest data release from a survey of 31 million galaxies reveals that our universe is even smoother than we thought it was.
NASA Launches Perseverance Rover for Mars
NASA’s Perseverance rover heads to the Red Planet.
Cool Off with Pluto This Summer
Pluto might be a challenging target but it's well worth the effort. Grab your telescope and see if you can spot this distant, chilly world.
Remains of an Ancient Star Cluster Revealed
A torn-apart globular cluster provides a window into the Milky Way's past.
A Message from Sky & Telescope
The staff of Sky & Telescope outline an action plan for making the night sky open to all. Feedback from the community is welcome!
Three Missions Head for Mars
The summer of 2020 will see three spacecraft launch toward the Red Planet, each one with distinct objectives.
An Infant Pulsar Defies Categorization
The discovery of the youngest pulsar yet has lead astronomers to question the current classification system of these objects.
China Launches Tianwen 1 Mars Mission
China launches its first Marsbound mission, Tianwen 1, which carries an ambitious orbiter, lander, and rover package.
500 Days Until the Total Solar Eclipse Over Antarctica
Travel to the ends of the Earth to experience a special — but risky — total solar eclipse in Antarctica.
First Image of a Young Sun and Two Giant Planets
For the first time, astronomers have imaged multiple planets orbiting a Sun-like star.
New 3D Map of the Universe — and a Growing Cosmological Debate
The Sloan Digital Sky Survey has released a new map of the universe — and the results confirm ongoing tension over the expansion rate of the universe.
