721–740 of 1,474 results
Needles in a Starry Sky

Celestial News & Events

Halley On Fire! Orionids Peak This Week

The annual Orionid meteor shower is active all week, peaking Friday morning October 21st. If you're up before dawn, you might just see these Halley's Comet castoffs come to life.

aldebaran occultation by Roger Hutchinson

Celestial News & Events

Moon to Cover Bright Star Aldebaran

This eye-catching occultation occurs late on October 18th (West Coast) and early on the 19th (East Coast). It's a grazing event as seen from Los Angeles and Denver.

Coronal hole on October 13th

Celestial News & Events

Solar Forecasters Predict Chance of Auroras

The National Oceanic and Atmospheric Administration (NOAA) predicts a strong chance of geomagnetic activity tonight, October 13–14.

2013 Astronomy Day celebration in Boston

Celestial News & Events

Fall Astronomy Day: Saturday, October 8th!

Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year.

Evening sky toward west in mid-October

Celestial News & Events

Tour October's Sky: Planets in Transition

This month is your last chance to catch Saturn in the evening sky. But Mars is still hanging around, and Venus is climbing higher each evening.

autumnal equinox 2014

Celestial News & Events

We Crossed the Equinox September 22nd

The fall equinox (spring equinox for the Southern Hemisphere) comes on September 22, 2016, at 4:02 p.m. Eastern Daylight Time (20:02 UT).

Sept 16th's penumbral lunar eclipse

Celestial News & Events

A Harvest Moon Penumbral Eclipse

Skywatchers in the Eastern Hemisphere will see tonight's full moon skirt through Earth's dusky outer shadow.

Early September evening sky_fi

Celestial News & Events

Tour September's Sky: Mars, Saturn & Venus

Early evening features Mars and Saturn toward south, but keep an eye out for brilliant Venus climbing up from the west during twilight.

Track of Sept 1 annular eclipse f

Celestial News & Events

Thursday's Annular Solar Eclipse

The Sun's second coverup of the year will be an annular solar eclipse whose path crosses south-central Africa and northern Madagascar on September 1st.

Total solar eclipse in 2010

Celestial News & Events

2017's Total Solar Eclipse: One Year to Go!

It's still a full year away, but next year's coast-to-coast solar eclipse is already a big deal with astronomers worldwide.

Venus and Jupiter close together

Celestial News & Events

Two Planet Pairs Perform at Dusk

As twilight fades for the rest of August, follow two planetary groupings happening at dusk in different parts of the sky.

Perseids-by-Alan-Dyer_Aug-12-2016

Celestial News & Events

Yes, the Perseids Did Quite Nicely!

Many observers who had a dark, starry sky late last night (Aug. 11-12, 2016) were rewarded with an especially rich Perseid meteor shower. And it's probably not over yet.

Bright Star An Ancient Link

Celestial News & Events

A Real Scorcher! — Sirius At Heliacal Rising

Make a connection to a time when stars were used to track seasons and predict natural events by watching the heliacal rising of Sirius.

Radiant of the Perseid meteor shower

Celestial News & Events

Will You See a Bumper Crop of Perseid Meteors?

After the Moon sets on August 11–12, the Perseid meteor shower could be unusually rich.

Celestial News & Events

Comet 29P/Schwassmann-Wachmann 1 Blows Its Top . . . Again!

An otherwise faint and distant periodic comet underwent a bright outburst at the end of last month. Now it's visible in amateur telescopes at nightfall.

Mars-Saturn-Antares in August

Celestial News & Events

Tour August's Sky: Planets Aplenty

Download or play Sky & Telescope's astronomy podcast, and you'll get a guided tour of the night sky. In early evening look for Mars and Saturn embedded in Scorpius toward south, and key an eye out for Perseid meteors.

Delta Aquarid meteor

Celestial News & Events

Delta Aquariids Kick Off Summer Meteor Showers

The meteors are coming! Three annual meteor showers are already active and guaranteed to spark up your summer nights.

Visibility zones for Two Occultations

Celestial News & Events

See Two Tricky Occultations — Neptune and Lambda (λ) Aqr

Now you see 'em, now you don't. Watch the Moon occult Neptune and nearby Lambda Aquarii on the same night.

16 Hours of Sunlight

Celestial News & Events

Solstice Brings Late Nights, Bright Sights

Celebrate the June 20th solstice, when the Sun and the full Strawberry Moon combine their powers to illuminate both day and night.

Another Dwarf Bites the Dust

Celestial News & Events

Dual Supernovae Light Up June Nights

Supernovae are popping up everywhere! Two stars flamed out millions of years ago and at least one is an easy catch right now in amateur telescopes.