SUNSET: 
This Week's Sky at a Glance, October 27 – November 5
The full Moon on October 28th shines near full Jupiter at opposition this week. Telescopically, Jupiter this week is as big as you'll ever see it,
Marsquake Reveals Molten Layer Above Martian Core
An impact far from NASA's Insight lander on Mars set off seismic waves that revealed new details about the Martian interior.
A Windy and Wonderful Icelandic Aurora Adventure
Sky & Telescope’s recent tour to Iceland explored all the island’s sights — and kept S&T’s record at a solid nine for nine for seeing auroras!
Largest-ever Computer Simulation of the Universe
The Flamingo simulations are not only the largest but also the most all-encompassing simulations of the universe, from 13.75 billion years ago to today.
Striking New Views of Jupiter and Its Moon Io
The James Webb Space Telescope and Juno mission turned their eyes to Jupiter and its volcanic moon Io, revealing fine details.
This Week's Sky at a Glance, October 20 – 29
The waxing Moon in the evening sky visits Saturn, then Jupiter. And as Halloween approaches, Arcturus becomes the Ghost of Summer Suns.
Radio Burst Breaks Distance Record, Challenges Theories
A highly energetic fast radio burst, which broke the distance record, provides a crucial test for theories of these events' origins.
A New Hope? Taming the Satellite Swarm
Going by the paperwork, 1 million satellites are headed for the skies. The question is, how many of these are real? New policy may help stem the tide.
Orionid Meteors Fly; Two Moons Shadow Jupiter
Bundle up and enjoy the Orionid meteor shower under moonless skies this week. Don't miss the warm-up act, either, when two of Jupiter's moons pair up in a captivating double-shadow transit.
Unearthing a Solar Storm in Ancient Alpine Trees
Ancient pine trees hold the record of an atmospheric event 14,373 years ago. The only known explanation is a massive solar storm.
Annular Solar Eclipse Dazzles Watchers Across North America
The weekend's solar eclipse dazzled observers throughout the U.S. and Mexico. Sky & Telescope editors and contributing editors report.
How to Observe the October 14th Annular Solar Eclipse
If you'll be in the path of the October 14, 2023, annular eclipse, here's what you can look for as the Moon covers the face of the Sun.
Where to Watch the October 14th Annular Solar Eclipse Online
If you can't see the annular solar eclipse in person, we've got some online viewing opportunities for you.
Psyche Mission Is on the Way to Psyche, the Asteroid
The Psyche mission launched today, on its way to rendezvous with the asteroid of the same name in 2029.
This Week's Sky at a Glance, October 13 – 22
The week's big event is the Moon stepping on the Sun on Saturday the 14th. But the Moon's not done. Several days later it steps squarely on the handle of the Sagittarius Teapot, then on Herman's Cross. Show-off. Image: S&T's Sean Walker resolves Io half lit as it slips into Jupiter's shadow.
Two Worlds Have Ended in a Planetary Collision — and a New One Has Begun
A star's sudden brightening and, two years later, its sudden dimming point to a cataclysmic collision between two large worlds.
Hubble Telescope Witnessed Intergalactic Flash of Light
An explosive flash of blue light briefly appeared in intergalactic space, thousands of light-years from the nearest galaxy.
First Look at Material from Asteroid Bennu on the Ground
The Osiris-REX sample collection team reveals the first look at material collected from the asteroid Bennu.
When It's Eclipse Decision Time, How Do You Decide Where to Go?
Satellite imagery will prove invaluable in making decisions on the day of the annular solar eclipse.
Comet 12P/Pons-Brooks (aka the "Millenium Falcon" Comet) Flares Again!
Comet 12P/Pons-Brooks has awakened again from its recent slumbers with a fresh outburst. It's now bright enough to see in a modest telescope.
