Asteroid Florence Has Two Moons
A large Earth-approaching asteroid, now sailing near Earth, has a lumpy shape and is accompanied by a pair of tiny moonlets.
"Clockwork Rover" for Venus Exploration
Engineers have come up with an innovative "clockwork rover" concept designed to survive the hostile environment of Venus.
Tour September's Sky: Saturn Time!
In September's astronomy podcast, you'll learn what's special about the ringed planet Saturn, now visible in the evening sky.
Historical Observations Reveal Ancient Nova
Astronomers and historians pinpoint the source of a 15th-century classical nova. It’s currently regathering strength.
Asteroid Florence Pays Earth a Visit
Florence, one of the largest Earth-approaching asteroids, gets close enough to see in a small telescope this week and next. Here's how to find it.
Antares Image Reveals Chaotic Surface
Researchers have constructed a detailed view of the surface of red supergiant star Antares, revealing a chaotic atmosphere powered by mechanisms that are still poorly understood.
Does Dark Energy Change Over Time?
Scientists are considering whether the mysterious “force” accelerating the universe’s expansion changes with time.
Best 2017 Eclipse Pictures from Our Readers
We've curated a selection of some of the best pictures our readers submitted to our online gallery of the August 21 solar eclipse.
After Totality: Eclipse Reactions Video
On August 21, 2017, a total solar eclipse cast its shadow across the US. Sky & Telescope was there, and we captured some of your eclipse reactions.
Total Eclipse vs Solar Power
In addition to clogged roads and crowded hotels, the 2017 solar eclipse had another big effect on U.S. infrastructure: reduced solar power production.
The Eclipse as Seen by Citizen Scientists
Some academic and citizen-science groups came up with neat initiatives for eclipse day. Let’s find out how they did.
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Experiencing Totality: S&T's Eclipse Stories
With our editors and writers scattered across the eclipse path today, here are our stories on the total solar eclipse.
Amazing Views of the Solar Eclipse From Earth . . . and Space
Satellites, aircraft, and the International Space Station provided great views of yesterday's solar eclipse, near and far.
Eclipse Weather: Decision Time
With the eclipse just a few days away on Monday, now is the time to start taking stock of the weather forecast — and making decisions.
Where to Watch the Solar Eclipse Online
Multiple organizations are live-streaming the total solar eclipse from groundbased telescopes, racing Volvos, and high-altitude balloons — take a look!
The White Dwarf That Survived
A peculiar white dwarf could be what’s left after a failed supernova explosion.
Solar Eclipse Activities for Kids and Families
Enrich the eclipse experience — especially the long, partial phases — with solar eclipse activities for the young and young at heart.
How Will the Sun's Corona Look at Totality?
Updated 8/16 to include Predictive Science, Inc.'s predictions. The total solar eclipse is less than three weeks away, but researchers already have a good indication of how the Sun’s corona will look when it comes into view.
Will Monday's Total Eclipse Change Your Life?
Total eclipses have the power to touch us deeply and reverberate through our life in unexpected ways.
Curiosity Rover Watches Clouds on Mars
Barely visible water-ice clouds coast across Mars’s skies in new videos from the Curiosity rover.
