1301–1320 of 2,477 results

Sky Tour Astronomy Podcast

Tour June's Sky: Three Planets at Nightfall

Sky & Telescope's astronomy podcast takes you on a guided tour of the night sky. After the Sun sinks from view, enjoy watching Mars and Saturn near Scorpius in the southeast and Jupiter near Leo well up in the southwest.

Open All Night

Planets

Saturn's Splendid Summer Show

It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, May 27 – June 4

The last-quarter Moon doesn't rise until around 2 a.m. It'll be between the Aquarius's dim spilling bucket and the dim Circlet of Pisces.

A Sense of Scale

Observing

There Be Monsters Here! How to Find the Biggest Star

Antares and Betelgeuse may be colossal stars, but we take it to the next level of stellar monstrosity with a visit to UY Scuti, a star that makes our Sun seem no bigger than a pinpoint.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, May 20 – 28

The nearly full Moon looms low in the east-southeast at sunset and shines above Mars as twilight fades. How soon can you pick out Mars?

Big, Bold Mars This Week

Observing

Follow Mars to His Double Star Lair

Let Mars be your guide to no fewer than 15 diverse and delightful double stars that pepper its path through Scorpius and Libra this opposition season.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, May 13 – 21

As twilight fades, look upper left of the first-quarter Moon for Regulus. Brighter Jupiter shines much farther to the Moon's left (for North America).

2013 Astronomy Day celebration in Boston

People, Places, and Events

Spring Astronomy Day 2016

Join your local amateur astronomy community in celebrating Spring Astronomy Day on May 14, 2016.

Mercury transit 2016 in H-alpha light

Observing

Mercury's Slow Glide Across the Sun

May 9th's transit of Mercury is now history. Countless amateurs — and professionals — watched as the innermost planet had its day in the Sun. It's sometimes the curse of being involved in astronomical outreach that I miss all the action during an important celestial event. For example, I never…

Observing

See Comet PanSTARRS (C/2013 X1) in Binoculars at Dawn

An old friend from winter returns for an encore in the morning sky. Already visible in binoculars, Comet PanSTARRS (C/2013 X1) may reach naked-eye visibility in June.

2006 Mercury transit close-up

Solar System

S&T Live Webcast: Transit of Mercury

Join in Monday, May 9th, as tiny Mercury crosses the Sun's disk for the first time since 2006. S&T's exclusive video feeds and expert interviews will air throughout the 7½-hour event.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, May 6 – 14

After sunset Saturday, catch the hairline crescent Moon just above the horizon. Bring out your scope to see a double-shadow transit on Jupiter Friday night.

Where to spot Eta Aquariid meteors

Observing

Eta Aquariid Meteor Shower Reaches Its Peak

If you'd like to see bits of debris shed by Halley's Comet, then head out before dawn during the next few days.

Natural Artistry

Astronomy and Stargazing Projects

Hunting Giant Planetary Nebulae

Mind your elders the next clear night and pay a visit to some of Spring's biggest and most ancient planetary nebulae.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, April 29 – May 7

The last-quarter Moon shines above Capricornus before dawn's first light. These evenings, the long, dim sea serpent Hydra snakes across the southern sky.

Evening sky on May 8th_300px

Sky Tour Astronomy Podcast

Tour May's Sky: Jupiter Leads the Way

Sky & Telescope's astronomy podcast takes you on a guided tour of the night sky. Watch for Mars and Saturn near Scorpius before dawn and Jupiter near Leo after sunset.

First Look at the King of the Planets

Observing

Tips for a Successful Star Party

Planning a sidewalk stargazing event? Here are a few suggestions to make sure people walk away smiling.

This Week's Sky at a Glance logo

This Week's Sky At a Glance

This Week's Sky at a Glance, April 22 – 30

As night descends, look high in the west for Pollux and Castor - the heads of the almost-upright Gemini twins form the top of the Arch of Spring asterism.

Two For T

Variable Stars

Is T CrB About to Blow its Top?

The recurrent nova T Coronae Borealis last made a splash just after World War II. Does its current restive state hint at an imminent outburst?

Stargazer's Corner: Adventures Under the Night Sky

Binocular Stargazing Catalog

Wondering what to look at in the night sky with your binoculars? Start with this binocular stargazing catalog with 150 bright, deep-sky objects.