1001–1020 of 1,395 results
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.

iPhone Moon

Astrophotography with Jerry Lodriguss

Picture Perfect: Getting Started in Astrophotography

Few amateurs have looked through a telescope and not imagined what it would be like to take a photo of the target in the eyepiece.

Rich Cluster in a Rich Neighborhood

Explore the Night with Bob King

Midnight Meridian Morsels

Late June offers a grab bag of clusters and nebulae "lined up" at the midnight hour. Time your southern deep-sky viewing with meridian passage and you'll be a happy camper.

Anthropocene's Golden Spike: Tranquility Base

Cosmic Relief with David Grinspoon

The Golden Spike of Tranquility Base

A modest proposal: the golden spike that marked the beginning of the Anthropocene was the first lunar landing in Mare Tranquilitatis.

The orbit of 2016 HO3

Astronomy in Space with David Dickinson

Newfound Object 2016 HO3 Shares Earth's Orbit

A recently discovered asteroid plays leapfrog with Earth as they both orbit around the Sun.

Peewee and Papa

Explore the Night with Bob King

Hunting White Dwarfs, the Night's Stellar Peewees

Take a trip down the rabbit hole to the weird and weighty world of planet-sized white dwarf stars.

Astronomy in Space with David Dickinson

FRIPON: A New All-Sky Meteor Network

An innovative new meteor detection network will engage researchers and the public in a search for space rocks.

16 Hours of Sunlight

Explore the Night with Bob King

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.

LISA Pathfinder

Astronomy in Space with David Dickinson

LISA Pathfinder Surpasses Expectations

First science results from ESA's LISA Pathfinder mission exceed expectations, with five times the sensitivity. This result paves the way for a future full-scale gravitational wave observatory in space.

Another Dwarf Bites the Dust

Explore the Night with Bob King

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.

Scott Kelly aboard International Space Station

Cosmic Relief with David Grinspoon

International Space Station: Our Year In Space

ISS astronauts are reviving our passion for space travel in novel ways.

Open All Night

Explore the Night with Bob King

Saturn's Splendid Summer Show

It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.

A Sense of Scale

Explore the Night with Bob King

There Be Monsters Here! How to Find the Biggest Star

Antares and Betelgeuse may be colossal stars, but we take it to the next level of stellar monstrosity with a visit to UY Scuti, a star that makes our Sun seem no bigger than a pinpoint.

International Space Station

Astronomy in Space with David Dickinson

Watch the International Space Station Marathon

The orbiting science laboratory begins a series of marathon passes this week that favor the northern hemisphere.

Big, Bold Mars This Week

Explore the Night with Bob King

Follow Mars to His Double Star Lair

Let Mars be your guide to no fewer than 15 diverse and delightful double stars that pepper its path through Scorpius and Libra this opposition season.