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Comet ZTF (C/2022 E3) up close

Explore the Night with Bob King

Sneak Peek at Two Promising Comets

Ready to chase comets? We look at two fuzzy solar system travelers that will keep you on your toes all fall and winter long.

SLS Launch

Spacecraft and Space Missions

Lift-off! NASA Launches Artemis 1 Mission to the Moon

NASA’s next-generation Moon rocket has left the launchpad on the first flight of the Artemis program.

Stars and moon

Explore the Night with Bob King

Election Eclipse — Last Total Lunar Eclipse till 2025

Set the alarm and bring plenty of coffee. We've got a total lunar eclipse coming that you don't want to miss.

Why We Look Up with Jennifer Willis

Become a Backyard Cosmic Explorer

No matter how you look up at the sky — with a telescope, binos, or just your eyes — you're a cosmic explorer.

Impact

Spacecraft and Space Missions

NASA Lander and Orbiter See (and Feel) New Mars Impacts

NASA's Mars Insight lander and Mars Reconnaissance Orbiter have witnessed two fresh new planet-probing impacts.

Orionid composite

Explore the Night with Bob King

All About the Dust — Orionids and Zodiacal Light

It doesn't take much to create a spectacle when it comes to astronomical observation. Just a pinch or two of dust.

Lucy

Astronomy in Space with David Dickinson

Lucy Mission Will Zoom By Earth This Weekend

With a little luck, observers in Australia and western North America may spy the Lucy spacecraft as it flies by Earth on October 16th.

a bright yellow sun on the farleft with an orange landscape of mountains and water in the foreground

Cosmic Relief with David Grinspoon

Worlds Apart

Can a newly found exoplanet help explain why Earth and Venus diverged so radically?

Moonrise

Explore the Night with Bob King

Full Moon Fringe Benefits

The upcoming Hunter's Moon reminds us of the many ways we can enjoy observing our humble satellite.

Europa

Spacecraft and Space Missions

Juno's Close View of Jupiter's Europa (New Photos!)

Juno will pass over the surface of Europa this week in our closest view since the Galileo mission, aiding future exploration efforts.

Milky Way

Why We Look Up with Jennifer Willis

Beware the Astronomy Habit

Why do you look up? Maybe there was something that initially drew you out to the stars...and maybe now it's a habit of the best kind.

Orange ring around dark center, with a hot bubble circling it

The Black Hole Files with Camille Carlisle

Hotspot Zooms Around Our Galaxy’s Black Hole

Astronomers have detected a bubble of hot gas circling our galaxy’s central black hole soon after seeing a flare, suggesting both arose from the same process.

Jupiter up close

Explore the Night with Bob King

Jupiter's Exceptionally Close Opposition

A sentinel in the autumnal sky, Jupiter marks its closest opposition since 1963.

Space Debris

Astronomy and Society

The Hazards of Uncontrolled Reentries from Space

A recent study examines the risk posed to human life by reentering space debris as the number of rocket launches continues to grow.

Vega brilliance

Explore the Night with Bob King

Vega, the Star at the Center of Everything

While we may quibble about how to pronounce its name, there's no denying that Vega is one of the most fascinating and useful stars in the heavens.

Milky Way over Agavi palm tree silhouettes

Why We Look Up with Jennifer Willis

Stellar Confidence: On Impostor Syndrome in Amateur Astronomy

Self-doubt is powerful, but it's no match for the stars — as long as you keep heading outside after dark and looking up.

Orbit

Astronomy in Space with David Dickinson

First Inter-Venusian Asteroid Hints at a New Population

The discovery of an asteroid inside Venus's orbit might be the first of a new population within the inner solar system.

Battered Vesta

Asteroids

Observe Vesta — and Own a Piece of It, Too

Vesta's bright and easy to find in binoculars and maybe even with the naked eye in late summer skies. It's also just as easy to acquire a piece of it without a multi-billion dollar space mission.

abstract shapes in grey tones

Cosmic Relief with David Grinspoon

Sending Astronauts to Venus

Crazy as it might seem, it’s a logical and thrilling prospect.

Perseid 2021

Meteors

Perseids Are Coming, Full Moon or Not

Don't use a full Moon pass to skip this year's Perseid meteor shower. Right here, right now, we're going to help you make the most of it.

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