61–80 of 1,049 results

Astronomy in Space with David Dickinson

Deployment of the James Webb Space Telescope Is Complete

The James Webb Space Telescope has unfolded its primary mirror, marking the end of the deployment phase for the observatory.

Why We Look Up with Jennifer Willis

Stargazing with Ice Cold Enthusiasm

A new year — and a clear sky — offers a chance to reconnect with a passion for stargazing.

Comet 19P/Borrelly on Dec. 30, 2021

Explore the Night with Bob King

Comet-seeking on Cold, Crunchy Nights

Did the recent apparition of Comet Leonard whet your appetite for more of these beautiful unpredictables? Here are five more you can see with your telescope this season.


Spacecraft and Space Missions

Spaceflight 2022: Missions to Watch in the Coming Year

The New Year will see missions returning to the Moon and much more.

Comet Leonard on Dec. 24, 2021


Comet Leonard: A Gift at Christmastime

Multiple bright outbursts have transformed Comet Leonard into a stunning photographic object that’s also visible without optical aid from southern locations. More disruptions are likely in store as it approaches perihelion.


Astronomy in Space with David Dickinson

The James Webb Space Telescope Is Headed to Space

Over a generation in the making, the James Webb Space Telescope is finally headed for space.

Venus full circle

Astronomy & Observing News

Venus Farewell, Moonless Skies for the Quadrantids

Venus presents a stunning crescent at dusk before switching over to the morning sky early next month. After dodging the Moon for the Geminids, it's dark skies all around for the Quadrantid meteor shower.

Long focal length telescopes

Imaging Foundations with Richard Wright

Long Focal Length Telescopes for Astrophotography

Long focal length scopes are usually discouraged for beginner deep sky astrophotography, but solar system imagers need that extra focal length reach.


Professional Telescopes

What Will the James Webb Space Telescope Uncover?

The soon-to-be-launched James Webb Space Telescope should shed light on exoplanet atmospheres and peer back to the universe's first stars.

Labeled Big Dipper

Why We Look Up with Jennifer Willis

A Memorial in the Stars

Stargazers can find solace for grief in the stars.

Night Sky Sights

Precious Hours with the Geminids

At first glance, the annual Geminid meteor shower appears to be on a collision course with a bright Moon. But a closer look reveals a happy window of dark skies.

IXPE Launch

Spacecraft and Space Missions

NASA Launches New X-ray Explorer

The Imaging X-ray Polarimetry Explorer will shed new light on energetic and enigmatic sources such as magnetars, supernovae, and black holes.


Astronomy in Space with David Dickinson

What's Next After the International Space Station?

NASA will end support for the International Space Station by 2030, transitioning low-Earth orbit to commercial operations.

Comet Leonard meets M3

Night Sky Sights

See Comet Leonard at its Best

The year's brightest comet is now on display in the predawn sky this week and next. Here's how to find it.

Earth Flyby

Spacecraft and Space Missions

Solar Orbiter to Fly Past Earth Thanksgiving Weekend

The Solar Orbiter mission will fly past Earth Friday night, setting up a dramatic sunward plunge.

Sky tracker and deep sky image

Astrophotography: Tips & Techniques

Getting Started in Deep-Sky Astrophotography

Shopping for gear to get started in astrophotography? Here's some sage advice before you max out all your credit cards.

May 2021 lunar eclipse


A Near-Miss Total Lunar Eclipse

A near-total lunar eclipse will be widely visible across North America on the night of November 18–19. Dress warmly and go for it!


Astronomy in Space with David Dickinson

Russia Conducts Antisatellite Test; Space Station Crew Takes Cover

A Russian missile struck a defunct satellite early Monday morning, forcing International Space Station crew to shelter in place.

a half of a white planet on the right side against a black background

Cosmic Relief with David Grinspoon

Life Beyond Earth?

By century’s end, the author thinks we’ll have an answer to this question. But what kind of answer?

Nova-C Lander

Spacecraft and Space Missions

NASA Announces Drilling Site on the Moon

NASA has revealed the landing site for Intuitive Machines’ ambitious drilling mission, set to launch for the Moon in 2022.