SUNSET: 
Explore the Night with Bob King
Severe Geogmagnetic Storm Has Arrived! Auroral Blast Expected Friday Night
A severe geomagnetic storm has just hit Earth — which means we could see auroras tonight! Here's what you'll need to know.
This Week's Sky at a Glance, May 10 – 19
The waxing Moon this week travels eastward from the horns of Taurus past the heads of Gemini, the Beehive in Cancer, then the forefoot of Leo on its way to occulting Beta Virginis.
Video: Plunge into a Black Hole
A new visualization from NASA takes the viewer on a one-way journey into a black hole.
Explore the Night with Bob King
Comet Tsuchinshan-ATLAS Brightens, Grows a Tail
Are you excited about Comet Tsuchinshan-ATLAS's prospects for a bright appearance this autumn? Guess what? It's already gorgeous.
Is This Gamma-Ray Burst a Shredded Star in Disguise?
Is GRB 191019A a typical burst of gamma rays from a dying star, an anomalously long burst from colliding objects, or something else entirely?
This Week's Sky at a Glance, May 3 – 12
This week in the moonless dark, the Summer Triangle appears over the eastern treetops star by star. Leo walks down toward the west. And the Sombrero Galaxy positions itself ideally on the south meridian for your telescope.
Astronomy in Space with David Dickinson
China's Chang'e 6 Mission Heads to the Moon
China’s ambitious Chang’e 6 mission will attempt to return a sample from the lunar farside.
Meet Alkaid, the Big Dipper’s Handle
Alkaid is the end star of the Big Dipper's handle, a bright-blue example of a nearby B-type star.
Explore the Night with Bob King
Ready the Hot Cocoa and Recliner — Here Comes the Eta Aquariid Meteor Shower!
You might be tempted to sleep through this annual shower but then you'd miss seeing some of the fastest meteors around. Not to mention their parent is the most famous comet of all.
May Podcast: Big Dipper Shows the Way
High above you on May evenings is an one obvious star pattern that just about everyone knows: the Big Dipper. This “Swiss Army Knife of the sky” can help you find many other key springtime stars and constellations. Just download or stream this month’s Sky Tour podcast.
What Happens After a Supernova Blows? Watch and Find Out
New time-lapse videos from the Chandra X-ray Observatory show the Crab Nebula and the Cassiopeia A supernova remnant over more than 20 years.
A Cosmic Arrow Pierced Pluto's Heart — Is It Still There Beneath the Surface?
A giant impact likely formed Pluto's heart-shaped basin, Sputnik Planitia. A big chunk of the impactor’s core might still be buried under the ice.
This Week's Sky at a Glance, April 26 – May 5
All the planets now huddle around our line of sight toward the Sun. However, these moonless evenings present us the Spring Triangle, the Great Diamond with a sugar sprinkle on its edge, and the Pointers aligned vertically.
Earth’s Mini-Moon Linked to Farside Lunar Crater
Researchers might have located the birthplace of 469219 Kamo‘oalewa, a small asteroid that has been described as Earth’s “mini-moon.”
Sail into the Southern Skies with Vela
The large constellation Vela contains many hidden treasures.
How Saturn’s Moon Mimas Might Have Melted
Maybe everything in the outer solar system is an ocean world.
Meteorites Tighten Timeline for Giant Planets’ Movement through the Solar System
By linking a family of meteorites on Earth to their relatives in the asteroid belt, scientists have arrived at a new understanding of the giant planets' movement early in the solar system's history.
Sky & Telescope Joins the Northeast Astronomy Forum
Sky & Telescope met with readers old and new at the annual Northeast Astronomy Forum.
Watch a Hotspot Orbit Our Galaxy's Black Hole
Astronomers have reconstructed a 3D video of hot gas orbiting a stone’s throw away from our galaxy’s central black hole.
This Week's Sky at a Glance, April 19 – 28
Springtime Leo walks high in the south, springtime Hydra snakes a quarter of the way around the celestial sphere, and the bright Moon aligns with Spica.
