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spiral galaxy occupies most of the image. It is a slightly tilted disc of stars, yellow-white in the centre and blue in the outskirts, showing light from different stars in the galaxy. Its spiral arms curl outwards from the centre, speckled with blue star clusters. Dark reddish threads of dust swirl around the galaxy’s centre. The backdrop is two medium-sized and many small, distant galaxies on a black background.

Hubble sees spiral galaxy in Lion's heart | Space photo of the day for Nov. 4, 2025

By Kenna Hughes-Castleberry published

The European Space Agency and NASA's Hubble Space Telescope recently visited the spiral galaxy NGC 3370

Galaxies
a triple-core rocket blasts off under a sunny, partly cloudy blue sky. smoke expands below next to an obscured launch tower, near a long white hanger with SPACEX written on the side. To the left, a bird flies away.

Rocket launch today: Is there a rocket launch and what time?

By Josh Dinner, Tariq Malik last updated

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Launches & Spacecraft
A series of star maps of the night sky

See 2 of Jupiter's moons cast vast shadows over the planet early on Nov. 5

By Anthony Wood published

The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5.

Stargazing
The U.S. Air Force’s rail-launched Super Strypi rocket lifted off from Hawaii about 9:45 p.m. local time on Nov. 3, 2015,, roared toward the sky and failed less than a minute into the long-awaited flight.

On this day in space! Nov. 4, 2015: 'Super Strypi' rocket fails to launch

By Hanneke Weitering, Elizabeth Howell last updated

The launch didn't according to plan.

Launches & Spacecraft
Europe's Ariane 6 heavy-lift rocket launches on its second-ever mission, sending the CSO-3 satellite aloft from French Guiana on March 6, 2025.

Watch Europe's powerful Ariane 6 rocket launch today for the 4th time ever

By Mike Wall published

Europe's Ariane 6 heavy-lift rocket is scheduled to loft a powerful Earth-observing satellite today (Nov. 4) on its fourth-ever launch, and you can watch the action live.

Launches & Spacecraft

Scientists detect biggest black hole flare ever seen — with the power of 10 trillion suns

By Robert Lea published

Astronomers have detected the most distant and biggest black hole flare ever seen, the result of a black hole ripping apart and devouring a star 30 times as massive as the sun.

Black Holes
graphic with night sky in large font and silhouettes of people below looking up at the night sky.

Night sky for tonight: Visible planets, stars and more in this evening's sky

By Jamie Carter last updated

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Stargazing
A bright fireball meteor is shown streaking earthward through the night sky over the lights of a town. The bright reflected light of the moon is visible to its left.

A full moon with a chance of fireballs: Don't miss the Southern Taurid meteor shower peak tonight

By Anthony Wood last updated

The Southern Taurid meteor shower peak on Nov. 4-5 brings the potential for bright meteors and dramatic fireballs.

Meteors & Meteor Showers

Northern lights forecasts, alerts, and geomagnetic storm warnings - live updates

By Daisy Dobrijevic last updated

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

Auroras
On Oct. 31, 2025, Latvia became the 60th nation to sign the Artemis Accords.

Latvia will become 60th nation to sign Artemis Accords for peaceful space exploration

By Josh Dinner published

The list of nations signing the Artemis Accords is growing, continuing NASA's efforts to establish internationally cooperative space exploration.

Artemis
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