Space News & Blog Articles

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The Event Horizon Telescope is back to work this week on tour of exotic cosmic objects

The planet-scale array of observatories most famous for creating the first-ever image of a black hole is heading back to work.

2 NASA astronauts performing spacewalk early Tuesday: Watch it live

Two NASA astronauts will conduct a spacewalk outside the International Space Station on Tuesday (March 15), and you can watch it live.

Astra scrubs return-to-flight rocket launch due to lightning risk

Space startup Astra called off its first attempt to launch a rocket since a failed flight last month due to lightning.

Starlink is the Only Communications Link for Some Ukrainian Towns, but the Terminals Could Also be a Target

Russia’s invasion of Ukraine has led to an outpouring of support and material aid from the international community. For his part, Elon Musk obliged Ukrainian Vice Prime Minister Mykhailo Fedorov‘s request for assistance by sending free Starlink terminals to Ukraine. For some besieged communities, like the city of Mariupol, this service constitutes the only means of getting up-to-date information, communicating with family members, or sharing their stories from the front lines of the war.

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All systems go for Thursday rollout of NASA's Artemis 1 moon mission

The rollout for NASA's Artemis 1 mission is right on track for this Thursday (March 17), agency officials said today (March 14).

Russian invasion of Ukraine: How it's affecting Europe's space plans

The European Space Agency Council will meet this week in Paris for its 306th session. On the agenda: "Implications of the current geopolitical situation on ESA's activities."

OneWeb not eager to tear up launch contract with Arianespace

A batch of 36 OneWeb satellites before a previous Soyuz launch. Credit: Roscosmos

OneWeb working with Arianespace, who owes the satellite internet firm six more Soyuz launches, to find rides to orbit for more than 200 of its spacecraft left grounded by an embargo on Western payloads flying aboard Russian rockets.

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Planets Have Just Started to Form in This Binary System

Astronomers have watched the young binary star system SVS 13 for decades. Astronomers don’t know much about how planets form around proto-binary stars like SVS 13, and the earliest stages are especially mysterious. A new study based on three decades of research reveals three potentially planet-forming disks around the binary star.

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American astronaut will return to Earth on Russian spacecraft despite Ukraine invasion, NASA says

Geopolitical tensions won't keep an American astronaut and two Russian cosmonauts from returning to Earth together as planned this month, NASA says.

Relive some top SpaceX highlights from its 1st 20 years (video)

Starship, self-landing rockets and a Tesla-driving mannequin are part of the package.

Astronomy Jargon 101: Open Cluster

In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll start drifting away from your friends after reading today’s today: open clusters!

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If Axions are Dark Matter, we've got new Hints About Where to Look for Them

If dark matter is out there, and it certainly seems to be, then what could it possibly be? That is perhaps the biggest mystery of dark matter. The only known particles that match the requirement of having mass and not interacting strongly with light are neutrinos. But neutrinos have low mass and zip through the cosmos at nearly the speed of light. They are a form of “hot” dark matter, so they don’t match the observed data that require dark matter to be “cold.” With neutrinos ruled out, cosmologists look toward various hypothetical particles we haven’t discovered, and perhaps the most popular of these are known as axions.

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First Look at an Unusual Exoplanet’s Atmosphere

AAS Nova reports on a "super-puff" exoplanet that's nearly 15 times less dense than Jupiter.

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SNL's Pete Davidson will fly to space next week with Jeff Bezos' Blue Origin

The "Saturday Night Live" star and five other people are scheduled to fly to suborbital space aboard Blue Origin's New Shepard vehicle on March 23.

2 giant blobs in Earth's mantle may explain Africa's weird geology

One of Earth's two mysterious mantle blobs is much higher than the other, raising questions about its impact on Earth's surface.

Russia's Ukraine invasion could imperil international science

The Russian invasion of Ukraine could have serious consequences for those organizations pursuing scientific endeavors.

Astra’s return-to-flight launch ready for liftoff from Alaska

Astra’s Rocket 3.3 lifts off from Cape Canaveral Space Force Station on Feb. 10. Credit: Brady Kenniston / Astra

Astra engineers identified two problems — an electrical design issue and a software glitch — that prevented a rocket from reaching orbit last month with a suite of NASA-sponsored CubeSats, clearing the way for a return-to-flight mission that could launch from Alaska as soon as Monday.

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You can watch Astra launch a commercial rocket from Alaska today. Here's how.

The private spaceflight startup Astra will launch a commercial mission for Spaceflight, Inc. today and you can watch it live online.

The 20 most memorable SpaceX missions from its 1st 20 years in photos

SpaceX has launched about 150 missions in its first 20 years. Here's a look at 20 of the most important and memorable of them.

8 ways that SpaceX has transformed spaceflight

Reusing rockets and dreaming big are some of the things that have made SpaceX stand out.


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