Space News & Blog Articles

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ESA Impact 2025 - October-December

ESA Impact 2025 - October-December

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Do You Know What Time It Is? If You're On Mars, Now You Do.

Do you know what time it is? It's an easy question, right? Just look at your phone or watch. But is that really the exact time? Oh, well, for that you can look to Coordinated Universal Time, or UTC. It's what your phone clock is synced to, give or take, but you can get a more accurate measure of UTC with a device that can pick up the UTC radio time signal. Of course, UTC is only an agreed-upon standard that tries to stay in sync with Earth's rotation. It, in turn, is based upon International Atomic Time (TAI), which is a weighted average of 450 atomic clocks located all over the world.

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This Week's Sky at a Glance, December 19 – 28

We greet the winter solstice. Jupiter nears opposition. Will the two Dog Stars balance for you? And meet the House in the Hyades.

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Week in images: 15-19 December 2025

Week in images: 15-19 December 2025

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Best Lego Avatar sets 2025

If you're a Pandora-loving moviegoer who can't get enough of the Na'vi culture, keep an eye on these stunning Lego Avatar sets.

Geminid meteors streak under green sky | Space photo of the day for Dec. 19, 2025

Astrophotographer Josh Dury has captured the beauty of the Geminids in this stunning timelapse exposure.

Traveling over the holidays? Maximize your online safety with our exclusive 72% discount on Norton VPN

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Best VPN services we recommend 2025

A VPN is a great tool for online safety and streaming, and ensuring content won't be geo-locked on your travels. These are the six best options out there.

Watch South Korean startup Innospace attempt its 1st-ever orbital launch today

The South Korean startup Innospace will attempt its first orbital launch from Brazil's Alcântara Space Center on Friday (Dec. 19), and you can watch the action live.

It’s Raining Magnetic 'Tadpoles' on the Sun

Getting close to things is one way for scientists to collect better data about them. But that's been hard to do for the Sun, since getting close to it typically entails getting burnt to a crisp. Just ask Icarus. But if Icarus had survived his close encounter with the Sun, he might have been able to see massive magnetic “tadpoles” tens of thousands of kilometers wide reconnecting back down to the surface of our star. Or maybe not, because he had human eyes, not the exceptionally sensitive Wide-Field imagers the Parker Solar Probe used to look at the Sun while it made its closest ever pass to our closest star. A new paper in The Astrophysical Journal Letters from Angelos Vourlidas of Johns Hopkins University’s Applied Physics Laboratory and his co-authors describes what they say on humanity’s closest brush with the Sun so far.

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Farewell, comet 3I/ATLAS! Interstellar visitor heads for the outer solar system after its closest approach to Earth

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system.

Webb: Dwarf stars in a glittering sky

Image: Dwarf stars in a glittering sky

Earth from Space: Manicouagan crater

Image: This week Earth from Space features a wintery image: a red and white sphere that, if seen from a distance, resembles a festive decoration.

Could Advanced Civilizations Communicate like Fireflies

Long before scientists discovered that other stars in the Universe host their own planetary systems, humanity had contemplated the existence of life beyond Earth. As our technology matured and we began monitoring the night sky in multiple wavelengths (i.e., radio waves), this curiosity became a genuine scientific pursuit. By the 1960s, a scientific field dedicated to the search for advanced life (similar to ours) emerged: the Search for Extraterrestrial Intelligence (SETI). Since then, multiple SETI surveys have been conducted to search for potential signs of technological activity (aka. "technosignatures").

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Did Astronomers Just Find a ‘Superkilonova’ Double Explosion? Maybe.

Astronomers may have just seen the first ever ‘superkilonova,’ a combination of a supernova and a kilonova. These are two very different kinds of stellar explosions, and if this discovery stands, it could change the way scientists understand stellar birth and death.

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Trump signs sweeping executive order aimed at 'ensuring American space superiority'

On Thursday (Dec. 18), President Donald Trump issued an executive order designed to ensure American space superiority. It calls for the initial construction of a moon base by 2030, among other goals.

Why are the 'Avatar' movies so massive? Their success seems to defy conventional logic

They're not part of a vast, Marvel-style universe, and neither is a classic. So why are the "Avatar" movies so successful?

Best streaming devices to watch sci-fi shows and movies in 2025

Convert your TV into a smart TV with a streaming stick and watch all your favorite sci-fi shows and movies in one place, to access your streaming service of choice.

A SpaceX Starlink satellite is tumbling and falling out of space after partial breakup in orbit

One of SpaceX's Starlink broadband satellites suffered an anomaly in orbit on Wednesday (Dec. 17) that led to its partial breakup, according to the company.


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