141–160 of 6,110 results
Peregrine Mission On

Space Missions

Peregrine Mission Launches Successfully, But Misses the Moon

The first launch of the United Launch Alliance Vulcan-Centaur rocket attempted to send Peregrine Mission One moonward, but a propulsion problem has likely stymied that goal.

Bright Geminid meteor over Tucson


The Best Meteor Showers in 2024

The beloved Perseid meteor shower of the August vacation season will evade the moonlight in 2024, at least during the best early morning meteor-watching hours. The Lyrids and Geminids aren't so lucky.

Jupiter under Aries, early January 2024

This Week's Sky At a Glance

This Week's Sky at a Glance, January 5 – 14

How does the Sirius-Procyon balance, newly risen, tilt for you? Depends on your latitude! Meanwhile, Triangulum and Aries teeter in balance on Jupiter.

Europa Clipper

Astronomy in Space with David Dickinson

Top Space Missions to Watch for in 2024

Humans' return to cis-lunar space and a flagship spacecraft to Europa are among the missions to come in 2024.

Illustration of Kepler-1625b and moon transiting star


Doubt Cast on Exomoon Candidates

Exomoon candidates are tantalizing but, according to new research, perhaps unfounded.

Geminids and aurora

Celestial Objects to Observe

Catch Luyten's Star and the Quadrantid Meteor Shower

Relish the slow, steady pace of nearby Luyten's Star then switch things up with speedy meteors from a well-timed shower.

Venus-Mercury-Mars-Moon in January 2024

Sky Tour Astronomy Podcast

January Podcast: A Busy Start to 2024

If you’ve resolved to do more stargazing in the New Year, then 2024 will start you off with a bang! As told in this month’s Sky Tour astronomy podcast, you can look forward to some excellent celestial events.


Astronomy in Space with David Dickinson

First Launch of 2024: India Flies New X-Ray Satellite

ISROs XPoSat will unlock the secrets of the X-ray universe.

Venus, Antares, and Mercury in the eastern dawn, Dec. 30, 2023

Celestial News & Events

This Week's Sky at a Glance, December 29 – January 5

Scintillating Sirius rises ever earlier to scintillate in colors. The Quadrantid meteors in the Thursday-morning dark are well timed for Eastern North America. Two triangle constellations stack over Jupiter.

Astronomy & Observing News

Top 10 Astronomy News Stories of 2023

This year, we heard the low hum of gravitational waves criss-crossing the cosmos, observed a "ring of fire" solar eclipse, and applauded the arrival of asteroid samples. Here are Sky & Telescope's picks for the top news stories in astronomy this year.

Jupiter, Saturn, Uranus, Neptune in near-infrared

Solar System

The Webb Telescope's Grand Tour of the Solar System

The James Webb Space Telescope has revealed galaxies in the early universe, hidden star formation, and sniffed the atmospheres of exoplanets. But it's also exploring closer to home, imaging each of the giant planets in detail. The telescope can see aspects of the planets' compositions in ways that passing satellites…

Moon nearly first quarter

Night Sky Sights

Getting Started with Your New Telescope

How to start successfully with a new telescope — a guide to what you need to know, how to set it up, and things you can start finding with it in tonight's sky.

Gibbous Moon and Jupiter, Dec. 21-22, 2023

Celestial News & Events

This Week's Sky at a Glance, December 22 – 31

Christmas week this year puts the late-night Moon at the highest overhead you'll ever see it. High Jupiter lights the evening. Venus is the bright "star" lower in the east at dawn.

a light colored shape with veins running through it against a background of stars


JWST Reveals Distant “Galaxy” Is Six-way Galactic Crash

Peering deep into the past, the James Webb Space Telescope’s keen detectors are revealing unprecedented details of some of the oldest structures in the universe.

Photo of Large Magellanic Cloud shows a fuzzy barred center with fuzzy shells on the left and right


Astronomers Find 100,000-light-year Bow Shock in the Milky Way’s Outskirts

New simulations showed astronomers where to look for evidence of a dwarf galaxy's bow shock as it crashes through the Milky Way's halo.


Astronomy in Space with David Dickinson

As an Asteroid-Hunting Mission Approaches Its End, What's Next?

The pioneering NEOWISE observatory celebrates a milestone, even as the end of the mission draws near.

Jupiter, Ganymede, Europa and double shadows, March 25, 2019

Celestial News & Events

Watch Jupiter's Moons in Unusual Lineups

You'll have five opportunities in the coming months to see Jupiter's moons in interesting alignments.

Crescent Moon passing Saturn at dusk, Dec. 17, 2023

This Week's Sky At a Glance

This Week's Sky at a Glance, December 15 – 24

The waxing Moon passes Saturn, jumps over Jupiter, then jumps the Pleiades. Sirius and Procyon rise earlier, but the Summer Triangle still hangs on.

Vesta and Orion

Celestial Objects to Observe

Vesta Sets Sail Across Orion

Look who's visiting this winter in Orion: Vesta, a bright asteroid with a dark side.

Geminids 2020

Explore the Night with Bob King

Get Ready to Greet the Geminid Meteor Shower!

The year's most spectacular meteor shower is upon us. Prepare to enjoy the Geminids under a dark, moonless sky, when you might see more than 100 meteors per hour.