2641–2660 of 6,715 results
Florence and its moons

Solar System

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.

Venus clockwork rover

Space Missions

"Clockwork Rover" for Venus Exploration

Engineers have come up with an innovative "clockwork rover" concept designed to survive the hostile environment of Venus.

Saturn in late September

Celestial News & Events

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.

Ancient Nova Scorpii 1437

Stellar Science

Historical Observations Reveal Ancient Nova

Astronomers and historians pinpoint the source of a 15th-century classical nova. It’s currently regathering strength.

Celestial News & Events

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

Stellar Science

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.

Cosmology

Does Dark Energy Change Over Time?

Scientists are considering whether the mysterious “force” accelerating the universe’s expansion changes with time.

People, Places, and Events

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.

Totality on August 21, 2017

People, Places, and Events

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.

Eclipse Vs Solar

Celestial News & Events

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.

Astronomy and Society

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.

Solar System S&T's Eclipse Stories"}'>

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.

Eclipse from the air

Space Missions

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.

Celestial News & Events

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.

The 2017 Total Solar Eclipse

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!

white dwarf trigger supernova

Stellar Science

The White Dwarf That Survived

A peculiar white dwarf could be what’s left after a failed supernova explosion.

Celestial News & Events

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.

Celestial News & Events

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.

Celestial News & Events

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.

Solar System

Curiosity Rover Watches Clouds on Mars

Barely visible water-ice clouds coast across Mars’s skies in new videos from the Curiosity rover.