SUNSET: 
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.
United Arab Emirates Launches Mars Hope Orbiter
United Arab Emirates joins the "planetary space club" with an ambitious mission to Mars.
Citizen Scientists Help Discover “Weird” Brown Dwarfs
Astronomers and citizen scientists have found two would-be stars lacking heavy elements. They’re most likely ancient survivors of our galaxy’s earliest days.
Long-lived Lunar Magma Ocean Points to a Younger Moon
Most lunar scientists today think that the Moon formed after a Mars-size body hit the still-forming Earth, launching enough material into orbit to form our satellite. But there is still lively debate about the age of the Moon, and its evolution after it formed. A Mars-size body smashed into Earth…
New Launch Date for James Webb Space Telescope
NASA has delayed its beleaguered James Webb Space Telescope to October 2021, in part due to the COVID-19 pandemic.
