981–1000 of 1,389 results
OSIRIS-REx launch

Astronomy in Space with David Dickinson

Osiris-REX is Bound for Asteroid Bennu

NASA's Osiris-REX spacecraft launched successfully from Cape Canaveral on September 8th and is headed to asteroid Bennu for a dramatic sample return mission.

Lava Bumps Near Copernicus

Explore the Night with Bob King

A Little Guide to Lunar Domes

With this week's waxing Moon, we set off to explore its volcanic past with a look at a dozen intriguing lunar domes.

Jupiter aurora

Astronomy in Space with David Dickinson

Juno Makes First Science Pass at Jupiter

On August 27th, NASA's Juno made its closest pass to the giant planet — here's what we learned.

Three in a Row Show

Explore the Night with Bob King

Enjoy Orion in Shirtsleeves

Throw open the door and welcome back Orion at dawn. The Hunter's return brings relief from the heat and gives us a fresh shot at exploring untouched winter deep-sky objects in comfort.

Cosmic Relief with David Grinspoon

Mars Reconnaissance Orbiter: Ten Years Over Mars

It’s easy, but wrong, to take for granted a mission that’s still going strong after a decade.

New Planetary Nebula in the Making

Explore the Night with Bob King

Polarized Light: From Blue Sky to Egg Nebula

Bees see polarized light and use it to navigate to honey. Learn how you can use it to crack the Egg Nebula.

STEREO A and B

Astronomy in Space with David Dickinson

The Return of Stereo B?

Feared lost for almost two years, NASA's Stereo B solar observatory is now back in (tentative) contact with mission control.

TNO Niku

Astronomy in Space with David Dickinson

Retrograde Rock "Niku" Defies Orbital Trend

The discovery of trans-Neptunian object 2011 KT19 in a strange orbit deepens a key mystery in the outer solar system.

Cast of Sparkling Characters

Explore the Night with Bob King

Palling Around With Palomar Globular Clusters

The intriguing Palomar globular clusters will challenge observers with modest to large telescopes, while providing a satisfying ramble around the galactic halo.

Bright Star An Ancient Link

Explore the Night with Bob King

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.

Hitomi in space

Astronomy in Space with David Dickinson

Possible Replacement for Hitomi

JAXA and NASA are looking at the possibility of replacing the dead Hitomi X-ray observatory, with a potential launch around 2020.

Explore the Night with Bob King

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.

Perseid meteor

Astrophotography with Jerry Lodriguss

How to Photograph a Meteor Shower: Capturing the Perseids

Learn how to photograph a meteor shower with these step-by-step instructions, as well as advice for the advanced imager.

Delta Aquarid meteor

Explore the Night with Bob King

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.

Mars 2020 rover

Astronomy in Space with David Dickinson

Mars 2020 Rover Construction Moves Ahead

The Mars 2020 rover reached a third crucial milestone this past week on the path to the launch pad.

Visibility zones for Two Occultations

Explore the Night with Bob King

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.

Land of Black and Light

Explore the Night with Bob King

Paddle the Milky Way's Dark River

Take an imaginary journey in a boat down the Milky Way's Great Rift, exploring rich star clouds and dark nebulae along the way.

Telescope at Glendo School

Astronomy Travel

Eclipse 2017: Spotlight on Glendo, Wyoming

A small town with a population of 205 will be the destination for Sky & Telescope's Wyoming solar-eclipse tour in 2017.

A donut shaped circle colored in green with red on its bottom right side, showing the aurora, over a night time map of the north pole, North America and Europe.

Explore the Night with Bob King

Aurora at Your Fingertips

A survey of free services and apps that let you keep tabs on space weather so you can anticipate the next great aurora.

Juno engine burn animation

Astronomy in Space with David Dickinson

NASA's Juno Probe Reaches Jupiter

After a 5-year-long journey, NASA's latest emissary to the largest planet in the solar system has arrived at its destination.