161–180 of 1,395 results

Why We Look Up with Jennifer Willis

Following a Moon Shadow

A partial lunar eclipse is coming on September 17th, and that little shadow is something to look forward to.

ISS full pass

Space Satellites

Flight into Darkness — Observe the International Space Station in Earth's Shadow

Did you know you can see the International Space Station even when it's in Earth's shadow? We explore possible reasons why.

waves of light traveling through space and washing over Earth, with dots shows the locations of telescopes on the planet

The Black Hole Files with Camille Carlisle

Event Horizon Telescope Pushes Toward Sharper Images

The worldwide network of radio dishes has achieved the highest resolution ever obtained from Earth’s surface.

Earth

Astronomy in Space with David Dickinson

See Amazing Images from First-Ever Earth-Moon Flyby

The European mission to Jupiter's icy moons provided us with some amazing views closer to home, of Earth and the Moon.

small orange and blue dots against a black background with a large grouping of orange in the center

Southern Stargazing with Jonathan Nally

Visit Ara, the Celestial Altar

This far-southern constellation contains some delightful sights for small telescopes.

C/2023 A3 from Namibia

Explore the Night with Bob King

Status Report and Expectations for Comet Tsuchinshan-ATLAS

Is Comet Tsuchinshan-ATLAS falling apart? How bright will it likely get? We try to answer those questions and more.

Perseid aurora

Explore the Night with Bob King

Tonight's Perseid Meteor Shower May Be Dipped in Aurora Sauce

The Perseids peak on Sunday night, August 11-12 and just might be joined by a colorful display of northern lights. 

Perseids with star trails

Explore the Night with Bob King

Woo-hoo — The Perseid Meteor Shower Is Coming!

It's time again for the annual August meteor-shower fest, the Perseids. This year's display should be a beauty with only minor moonlight and a special surprise at dawn.

Why We Look Up with Jennifer Willis

Enroll in the School of Stars

Amateur astronomers are all life-long learners — and this "back to school" time of year provides just the right motivation.

Chandra's 25th anniversary images

Astronomy in Space with David Dickinson

Reading the Tea Leaves: The Future of the Hubble and Chandra Space Telescopes

Future funding for NASA's remaining Great Observatories — Chandra X-ray Observatory and Hubble Space Telescope — is still up in the air.

swirl of hot, yellow-orange material around black hole as black hole eats the material

The Black Hole Files with Camille Carlisle

Neutron Star Eaten by Small Black Hole (Probably)

Gravitational-wave astronomers have identified ripples in spacetime from the coalescence of a neutron star with what’s likely one of the smallest black holes ever found.

Astronomy in Space with David Dickinson

Star-Mapping Mission Gaia Impacted by Micrometeoroid, Solar Storm

Having survived two recent threats — high-velocity space dust and enhanced solar activity — Gaia is now returning better data than ever.

eVscope setup

Explore the Night with Bob King

Visual Observing vs. Smart Telescopes — Finding Harmony

The latest smartscope astrophotography craze opens the door to some incredible opportunities for both beginners and seasoned observers.

Open cluster NGC 6134

Southern Stargazing with Jonathan Nally

Explore Norma: The right (angle) constellation for July

Little-known Norma, a small constellation in the southern sky, contains several stellar and deep-sky delights.

Image of Antares surrounded in nebulae

Why We Look Up with Jennifer Willis

The Fiery Heart of Antares

A long-ago incident forged a connection with Antares, the topaz-colored star at the heart of the Scorpion.

Spica occultation map

Explore the Night with Bob King

Catch an Exciting Spica Occultation on July 13th

Don't miss Spica's dramatic disappearance at the Moon's dark limb. We also check in on the status of current bright comets.

T CrB map

Explore the Night with Bob King

Is the "Blaze Star" About to Blow? You May Be the First to Know

T Coronae Borealis is a nova star that's due to suddenly — and briefly — brighten. Here's how to see this once-in-a-lifetime event.

Sample Return

Astronomy in Space with David Dickinson

China's Chang'e 6 Has Returned with Pieces from the Farside of the Moon

China’s Chang’e 6 mission has brought back material from the farside of the Moon.

Omega Centauri as galactic nucleus

Southern Stargazing with Jonathan Nally

Centaurus Constellation: Glimpse the Greatest Globular

The Centaurus constellation holds some of the best southern targets, including the Omega Centauri globular cluster and the Centaurus A galaxy.

Planet parade

Explore the Night with Bob King

See the Real Planet Parade

Maximize your planetary pleasure and get re-acquainted with Earth's siblings during the June 29th dawn planet parade.