Skywatching

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

Night sky tonight and the weekend: See the winter Milky Way shine in a moonless 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

Aurora forecast for Dec. 19-21 - Quiet nights ahead, with a watch on late-weekend changes

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
A simulation of the solar system showing the trajectory of 3I/ATLAS flying beyond the orbits of Earth, Mars, Mercury and Venus

4 ways to track 3I/ATLAS without a telescope as it makes its closest approach to Earth tonight

By Anthony Wood published

Interstellar visitor 3I/ATLAS is travelling away from the sun on its way back to interstellar space.

Stargazing
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Spaceflight

Artist's illustration of Artemis 2 mission including the Orion spacecraft with Earth in background

NASA's Artemis 2 mission: Everything you need to know

By Brett Tingley last updated

Reference Artemis 2 is the second scheduled flight of the Artemis program and the first crewed Artemis mission that will send four astronauts around the moon.

Reference

Starlink satellite train: how to see and track it in the night sky

By Daisy Dobrijevic last updated

Reference Starlink satellites are visible from Earth, you just need to know when and where to look.

Reference
rows of starlink satellites in the lower left portion of the image with Earth in the background and a slither of black space in the lower right side of the image.

Starlink satellites: Facts, tracking and impact on astronomy

By Tereza Pultarova last updated

Reference Starlink satellites have been developed by SpaceX to provide internet to remote locations. Here we explore the controversial megaconstellation in more detail.

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a white rocket topped by a gumdrop-shape capsule sits on its launch pad in a mountain valley.

Watch Blue Origin launch 1st wheelchair user to space on Dec. 20 after delay

By Mike Wall last updated

Blue Origin now plans to launch wheelchair user Michi Benthaus and her five crewmates on Saturday morning (Dec. 20), and you can watch the action live.

Private Spaceflight
Artist's illustration of space junk orbiting Earth.

'Crash Clock' reveals how soon satellite collisions would occur after a severe solar storm — and it's pretty scary

By Tereza Pultarova published

Satellites would likely begin colliding with each other or space junk in less than three days if they were to lose the ability to maneuver, for example due to an intense solar storm.

Satellites
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Science & Astronomy

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference

What time will interstellar comet 3I/ATLAS be closest to Earth today?

By Daisy Dobrijevic last updated

NASA JPL pinpoints the moment the interstellar visitor passes closest to our planet.

Comets
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Space Photo of the Day

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Entertainment

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

By Richard Edwards published

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

Space Movies & Shows

10 years into the Disney 'Star Wars' era: Grading the ups and downs of a galaxy far, far away

By Richard Edwards published

Ten years on from 'The Force Awakens', we look back at what's gone right and what's gone wrong.

Space Movies & Shows
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What's Up In Space Today

Search For Life

Saturn's moon Titan looks a bit like Earth, but is, in fact, very different.

Surprise! Saturn's huge moon Titan may not have a buried ocean after all

By Charles Q. Choi published

"We're not certain if having widespread liquid pockets instead of a global ocean makes Titan more or less habitable."

Search for Life
A silhouette of a planet is in front of a giant sun with a small planet to the right of the image

Which exoplanet in the TRAPPIST-1 system could be habitable? Scientists are modeling the star to find out

By Samantha Mathewson published

Frequent flares from the nearby star TRAPPIST-1 could offer new clues in the search for habitable planets beyond Earth.

Search for Life
A reddish dusty surface is seen with an orange sun in the background

Beyond the habitable zone: Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars

By Morgan Underwood published

But being in this sweet spot doesn't automatically mean a planet is hospitable to life.

Search for Life
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Technology

A hand is holding a mobile phone with a VPN on while a laptop with the same VPN screen is in the background, on a plain surface.

Best VPN services we recommend 2025

By Alexander Cox published

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.

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

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

By Alexander Cox published

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.

Technology
A series of purple drones come together in the night sky above a still lake to create a 3D image of planet Earth with the continent of Africa seen and reflected in the lake

As above, so below: Earth in the sky | Space photo of the day for Dec. 18, 2025

By Kenna Hughes-Castleberry published

This 3D rendering of our planet was part of France's Festival of Lights celebration.

Technology
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