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Four images next to each other, from left to right an image of a green and brown Earthen landscape, a photo of president Trump wearing a red tie and black suit, a photo of a metal ball with wires coming out and a glowing blue light in a deep space image

The 12 biggest space stories of 2025 — according to you

By Monisha Ravisetti published

It's the 12 days of Spacemas, fa la la la la la la la la (sorry).

Space Exploration
A bright ball of light shoots red and purple and white sparks in front of a galaxy background with stars, purple, and blue colors on it

Dark matter may be made of pieces of giant, exotic objects — and astronomers think they know how to look for them

By Paul Sutter published

Searches for dark matter particles have come up empty so far, driving theorists to get more creative with their ideas.

Dark Universe
An illustration of concentrated dark matter at the heart of a spiral galaxy

Most normal matter in the universe isn't found in planets, stars or galaxies – an astronomer explains where it's distributed

By Chris Impey published

While space is often referred to as a vacuum, it isn't completely empty.

Astronomy
A woman is watching television in a living room, the television is placed above a fire place and she is eating popcorn.

The best streaming device out there: Which one comes out on top — Amazon Fire TV Stick, Roku Ultra, Apple TV and Google TV Streamer?

By Alexander Cox published

Which is the best streaming device out there? We've pitted four of the best models on the market against each other to determine the top option.

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

Night sky for Dec. 26: Saturn in Pisces, plus the moon (after dark)

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

The best sci-fi and space games of 2025, ranked

By Fran Ruiz published

As another year comes to an end, we sit down and collect our thoughts on the best sci-fi and space video games of 2025.

Space Games

Longtime United Launch Alliance CEO Tory Bruno resigns from space company. 'Finished the mission I came to do.'

By Tariq Malik published

Tory Bruno is leaving ULA to pursue new opportunities, the company said. Bruno says it will be "Something interesting."

Space Exploration
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
An illustration of the Soviet space station Salyut 4, which launched into orbit on Dec. 26, 1974.

On this day in space: Dec. 26, 1974: Salyut 4 Space Station Launches into Orbit

By Hanneke Weitering, Chelsea Gohd last updated

On Dec. 26, 1974, Salyut 4, a Soviet space station, launched into orbit around Earth.

Space Exploration
A group of people wearing dark blue shirts and black pants stand on stage with an American flag behind them and an officer kneeling down with a blue flag for the US Space Force placed in front of them.

Space Force Guardians show off shiny new duds | Space photo of the day for Dec. 26, 2025

By Kenna Hughes-Castleberry published

It marks the first time newly commissioned Space Force Guardians have graduated Officer Training School (OTS) wearing this uniform.

Space Exploration
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