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The launch faced long odds with poor weather in the forecast for a fourth day in a row, but SpaceX was able to launch from pad 40 at Cape Canaveral Space Force Station on Thursday, Sept. 11, at 9:56 p.m. EDT (0156 UTC).
The 21 satellites from York Space Systems are the first in the SDA’s Tranche 1 Transport Layer satellite constellation. SpaceX launched from pad 4 East at Vandenberg Space Force Base at 7:12 a.m. PDT (10:12 a.m. EDT / 1412 UTC).
The Nusantara Lima satellite is designed to augment communications in the region alongside Indonesia’s Satria satellite, which launched in June 2023. SpaceX is targeting liftoff from pad 40 at Cape Canaveral Space Force Base on Wednesday, Sept. 10, at 8 p.m. EDT (0000 UTC).
The Starlink 17-9 mission added another 24 broadband satellites to its low Earth orbit constellation of more than 8,300. Liftoff from pad 4E at Vandenberg Space Force Base happened at 11:06 a.m. PDT (2:06 p.m. EDT / 1806 UTC).
The Starlink 10-57 mission is also SpaceX’s 80th launch this year carrying Starlink satellites to low Earth obit. It’s targeting liftoff from pad 39A at NASA’s Kennedy Space Center is scheduled for 8:32 a.m. EDT (1232 UTC).
The Starlink 10-22 mission will be the 75th orbital launch from Florida’s Space Coast in 2025. SpaceX launched from pad 40 at Cape Canaveral Space Force Station at 7:56 a.m. EDT (1156 UTC).
The Starlink 17-8 mission was just the seventh new booster for the company out of more than 100 launches this year. SpaceX achieved liftoff from pad 4E at Vandenberg Space Force Base at 8:51 p.m. PDT (11:51 p.m. EDT / 0351 UTC).
SpaceX continued its blistering pace of orbital launches with its ninth and final Starlink launch of August. Liftoff of its Falcon 9 rocket from pad 40 at Cape Canaveral Space Force Station happened at 7:49 a.m. EDT (1149 UTC).
The Starlink 17-7 mission is the penultimate planned launch of these broadband satellites in August. SpaceX is targeting liftoff from pad 4E at 9:59 p.m. PDT (12:59 a.m. EDT / 0459 UTC).
NASA’s Interstellar Mapping and Acceleration Probe (IMAP) will be the primary payload on a SpaceX Falcon 9 rocket launching no earlier than Sep. 23. The vehicle is joined by the Carruthers Geocorona Observatory and NOAA’s Space Weather Follow-On - Lagrange 1 (SWFO-L1) observatory.
SpaceX launched a mission for an Indonesian telecom company tonight (Sept. 11), sending the Nusantara Lima satellite to orbit from Florida's Space Coast.
Using the James Webb Space Telescope and the Subaru Telescope in powerful tandem, scientists have discovered the first shrouded supermassive black holes at Cosmic Dawn.
New research shows that solar flares are six times hotter than thought and calls for updated sun models that could improve space weather forecasting.
These breathtaking photographs are the winning entries of the 2025 ZWO Astronomy Photographer of the Year Awards.
A study of the "failed star" brown dwarf known as "The Accident," conducted by the James Webb Space Telescope, may reveal a solution to an old mystery of Jupiter and Saturn.
These celestial wonders can tell us a lot about the state of the atmosphere at home on Earth as well as on other planets.
The winning bid for this screen-used prop made 'Star Wars' history last week... let's just hope the seller doesn't alter the deal.
Phases of ice that exist naturally only on frozen moons could be detected using infrared spectroscopy, according to new laboratory experiments.
The James Webb Space Telescope caught the birth of an enormous star with particle beams cutting across a stretch of interstellar space.
One of SpaceX's broadband-beaming Starlink satellites has been captured overflying a top-secret airbase in China that was photographed by a private American Earth-observation satellite.
The ZWO Astronomy Photographer of the Year Award 2025 will be streamed live online on Sept. 11.
Don't let light pollution put you off stargazing or astrophotography, I managed to see galaxies, nebulas and star clusters all in Bortle 7 and 8 class night skies.
Telepathy, good vs evil, heroes fulfilling their destiny… If the "Strange New Worlds" finale 'New Life and New Civilizations' isn't fantasy, it isn't far off.
Though NGC 7456 looks like a modest spiral galaxy, new Hubble and XMM-Newton observations reveal a bustling system with star-forming regions and an active core.
We'll likely need to get Perseverance's samples to Earth to determine if they do indeed harbor evidence of Mars life —but the prospects of such a mission are cloudy at best.
Russian Progress 93 freighter launched toward the International Space Station on the MS-32 mission today (Sept. 11), loaded with 2.8 tons of cargo for the station's astronaut crew.
Destiny 2’s next chapter is bringing in themes and elements from a galaxy far, far away without breaking the canon.
SpaceX just bought $17 billion worth of satellite spectrum from debt-ridden operator EchoStar to enhance Starlink direct-to-cell phone connectivity.
In an era when TV shows look like movies, have we lost sight of what should make sci-fi great?
Disney/Pixar's interstellar odyssey landed on 4K UHD, Blu-ray, and DVD for all Earthlings!
Water may have flowed on the asteroid that birthed the space rock Ryugu a billion years after it formed, much later than previously thought, changing our perception of the early solar system.
If we slam an impactor into an asteroid in exactly the wrong spot, the space rock may pass through a "gravitational keyhole" that brings it to Earth.
The Celestron StarSense Explorer DX 130AZ telescope is on sale for $367 on Amazon and is a great budget choice for observing the opposition of Saturn overnight on Sept. 20.
Celebrating 10 years since the first detection of gravitational waves coming from colliding black holes, LIGO has confirmed the predictions of the greatest minds in physics.
NASA's Perseverance Mars rover has found yet more chemical signatures that could be associated with ancient Red Planet life — but we need to examine them here on Earth to fully understand them.
SpaceX launched 21 satellites to orbit from California today (Sept. 10), beginning the buildout of an advanced new constellation for the U.S. military.
The Celestron TrailSeeker 8x42mm binoculars come highly recommended by our experts, and with a saving of over $130, now is the time to spot star clusters and planets for less.
A total lunar eclipse on March 2-4, 2026, will be visible in North America and will be the last total lunar eclipse anywhere on Earth until New Year's Eve 2028-2029.
Chile is a hotspot for telescopes peering up into deep space to study structures like stars, black holes, dark matter and galaxies.
"The profile of the occultation was most consistent with it being a new satellite — a new moon — going around Quaoar."
A SpaceX Falcon 9 launch on Sept. 23 will send three spacecraft a million miles from Earth to map the heliosphere and expand our understanding of space weather and atmospheric science.
A newly discovered gamma-ray burst is unlike any seen before, repeating over the course of a day rather than erupting in milliseconds, leaving astronomers perplexed by its origins.
A cadre of iron-rich extraterrestrial particles picked up faint whiffs of our planet's atmosphere when they fell to Earth millions of years ago.
Directive 8020 is shaking up the Supermassive Games formula for better and for worse.
In the not-too-distant future, "artificial astronauts" could fly as actual crew members on human missions to Mars, and elsewhere in space.
As part of the Artemis 2 astronaut moon mission launching no earlier than 2026, NASA is asking volunteers to test alternative forms of deep-space tracking.
NASA's hosting a conference on Wednesday (Sept. 10) to discuss a new rock analysis from the Perseverance Mars rover. Here's how to tune in.
Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?
Astronauts aboard the International Space Station captured great shots of the total lunar eclipse over the weekend.
"The country that lands on the moon first will shape the rules of engagement in space for decades to come."
From dystopian futures to interstellar adventures, this quiz explores the classics that dared to imagine the impossible—and the authors who made it unforgettable.
It isn't just supermassive black holes that are messy eaters. Using a Japanese space telescope called XRISM, scientists have found that small black holes are a "hot mess," too.
Two NOAA satellites saw a solar eclipse on Sept. 7 as the moon blocked out the sun mere hours before a lunar eclipse was seen on Earth.
Conducting a flyby mission to an interstellar object visiting our solar system is "feasible and affordable," a new study finds. But orbiting such an interloper is a different story.
A new low-cost concept for interstellar travel combines solar power with a slingshot, but it would take a long time to reach the stars.
The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.
SpaceX conducted a static-fire test with Super Heavy booster B15 on Sunday (Sept. 7), preparing the booster for Starship's Flight Test 11 — a fast turnaround from their successful Flight 10 launch two weeks ago.
The shooting stars appear to emanate from a patch of space in the constellation Perseus.
'EVE Frontier' developers Helgi Freyr Rúnarsson and Guðlaugur Jóhannesson talk galaxy merger models, black holes, and the thin line between science and fun.
The only problem with being an astronaut? Less time for video gaming.