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Geminids Dec 13_2018 Bob King 480x274

Celestial News & Events

The Best Meteor Showers in 2020

Sky & Telescope predicts that the three best meteor showers — the Quadrantids (peaking on January 4th!), Perseids and Geminids — will all have strong showings this year.

Chile-Argentina eclipse path in 2020

Eclipses

2020 Total Solar Eclipse: Update from Patagonia

Check out the viewing site and accommodations in Argentina's lush Lake District for Sky & Telescope's expedition to witness the 2020 total solar eclipse on December 14, 2020.

Moon and Venus on Dec 27-29

Sky Tour Astronomy Podcast

December 2019: Giant-Planet Finale

Download this month's Sky Tour podcast for a guided tour of the evening sky's adieu to Jupiter and Saturn and tips for spotting some early-winter constellations.

Planets and Moon Nov 28-29

Sky Tour Astronomy Podcast

November 2019: Changing Scenery

Download this month's Sky Tour for a guided tour of the evening sky's changing planetary scene and some constellations that might be new to you.

Moon-Jupiter-Saturn Oct 2-5 300px

Sky Tour Astronomy Podcast

October 2019: Giant Planets & Bits of Comet

This month's Sky Tour let's you enjoy close pairings of the Moon with Jupiter and Saturn; explore interesting stars and constellations, and keep watch for blazing bits of Halley's Comet.

Harvest Moon Sept 2019

Celestial News & Events

September 2019: Triangle Time

Download September's Sky Tour astronomy podcast for tips on observing Jupiter, Saturn, and the easy-to-spot Summer Triangle.

Moon-Jupiter-Saturn on Aug 9

Celestial News & Events

August 2019: Stars of Summer

Download August's Sky Tour astronomy podcast for tips on observing the Perseid meteor shower and the key planets, stars, and constellations in the evening skies of summer.

Jupiter and Saturn in July 2019

Sky Tour Astronomy Podcast

July 2019: Stalking the Scorpion

Download July's Sky Tour astronomy podcast for a guided exploration of the planets, stars, and constellations in the evening skies of summer.

Topography map of South Pole-Aitken

Solar System

Huge Mass Found Under Moon's Largest Basin

Does the massive metallic core of a primordial impactor lie buried under the South Pole-Aitken basin on the lunar farside?

Taurid Swarm Under Earth

Solar System

Astronomers Stalk the "Taurid Swarm"

If theorists are right, next month observers should spot a cluster of potentially hazardous asteroids as they cruise past Earth.

Evening view on June 28, 2019

Sky Tour Astronomy Podcast

June 2019: Peekaboo Planets

This month's Sky Tour podcast starts with a solstice update and a rundown of lunar phases, then helps you find four planets in the evening sky along with the best stars and constellations of early summer.

Ursa Major and Big Dipper

Sky Tour Astronomy Podcast

May 2019: The Stars of Spring

Our Sky Tour podcast for May 2019 starts with meteors created by Halley's Comet and then helps you find the best stars and constellations in the evening skies of late spring.

Moon in Leo April 2019

Celestial News & Events

April 2019: Critters on the March

The Sky Tour astronomy podcast for April 2019 takes you on a guided tour of the predawn sky and then helps you find a Hunter, a Lion, and a Bear in the evening sky.

Ultima Thule

Solar System

New Results Probe the Origin of "Ultima Thule"

As observations trickle in from NASA's New Horizons spacecraft, mission scientists have new insights on how their two-lobed target formed in the Kuiper Belt.

Morning view in early March 2019

Celestial News & Events

March 2019: Spot the Winter Hexagon

The Sky Tour astronomy podcast for March 2019 takes you on a guided tour of the predawn sky and then helps you find the dazzling stars that make the huge Winter Hexagon — including Sirius, the Dog Star.

Hubble view of Hippocamp

Solar System

Meet Hippocamp, Neptune's Smallest Moon

Although first recorded by Hubble in 2004, subsequent imagery shows that this tiny, innermost moon of Neptune likely had had a violent history.

Scene before dawn on Feb.16, 2019

Sky Tour Astronomy Podcast

February 2019: Dawn & Dusk Planets

February's Sky Tour podcast urges you to get outside early to gaze on three bright planets — then return in the evening to spot two more.

Watching a lunar eclipse

Celestial News & Events

Bonus: A Guided Tour of January's Total Lunar Eclipse

A special edition of our Sky Tour astronomy podcast provides you with a guided tour of the key events that will occur during this coming weekend's total lunar eclipse.

Stereo view of 2014 MU69

Spacecraft and Space Missions

New Views of Two-Lobed "Ultima Thule"

Images and other observations taken by the New Horizons spacecraft early on New Year's Day reveal a remarkable (but not unexpected) two-lobed object.

New Hoirizons and 2014 MU69 artwork

Solar System

New Horizons Reaches "Ultima Thule"

NASA's outward-bound explorer rings in the new year with the most distant flyby in space-exploration history.

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