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The Latest Breaking News from International Gemini Observatory

Interstellar comet 3I/ATLAS may be nearly 12 billion years old — so ancient its star system may no longer exist

Our solar system's famous "invader" might be as old as the Milky Way itself.

Space

Dramatic death of Comet C/2025 K1 (ATLAS) caught on camera — Space photo of the week

The Gemini North telescope snapped a spectacular view of Comet C/2025 K1 (ATLAS) breaking apart as it emerged from the other side of the sun in October.

LiveScience

Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images

The comet broke into pieces after making a close approach around the sun in October 2025.

Space

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Interstellar comet 3I/ATLAS isn't an alien spacecraft, astronomers confirm. 'In the end, there were no surprises.'

Bad news for those hoping interstellar invader 3I/ATLAS is an alien spacecraft as technosignature search turns up empty.

Space

Best space photos of 2025

An alien comet, a Martian volcano, a man’s fall from the sun and a groundbreaking telescope’s first images: Here are the most jaw-dropping space photos of 2025.

LiveScience

10 times the sky amazed us in 2025

A bevy of comets, a "blood moon" total lunar eclipse and impressive northern lights were just three of the skywatching highlights in 2025. Here's how they unfolded.

Space

Interstellar comet 3I/ATLAS is rapidly moving away from us. Can we 'intercept' it before it leaves us forever?

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object.

LiveScience

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How did interstellar comet 3I/ATLAS capture our imagination in 2025?

For one, it came down to timing.

Space

Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it

Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.

Space

Comet Lemmon and Milky Way spotted over Hawaii | Space photo of the day for Dec. 12, 2025

Hawaiian stargazers got a particularly special treat recently.

Space

'From another world': 3I/ATLAS photobombs a galaxy and shows off its multiple tails in stunning new image

An incredible new image shows the multi-tailed alien comet 3I/ATLAS shooting past a distant galaxy in the night sky. The stunning scene is a reminder of the object's perfectly natural interstellar origins, photographer Satoru Murata claims.

LiveScience

Astronomers detect first 'radio signal' from interstellar comet 3I/ATLAS — but it wasn't aliens

Astronomers at South Africa's MeerKAT radio telescope have detected the first radio waves coming from the interstellar comet 3I/ATLAS. But while this sounds suspiciously like alien activity, it is actually further proof of its completely natural origins.

LiveScience

New 'nearly interstellar' comet — wrongly linked to 3I/ATLAS — will reach its closest point to Earth on Tuesday (Nov. 11)

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to Earth on Tuesday (Nov. 11). However, despite recent rumors, the two objects are not related to one another.

LiveScience

Irradiated Comet 3I/ATLAS glows green and hides its tail in new image

A researcher has captured comet 3I/ATLAS glowing green and hiding its tail in a new image from the Lowell Observatory's powerful Discovery Telescope as we enter a critical observation phase for the interstellar visitor.

LiveScience

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Interstellar object 3I/ATLAS is about to get very active — Space photo of the week

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?

Space

Comet 3I/ATLAS could soon shower NASA's Jupiter probe in charged particles. Will it reveal more about the interstellar invader?

At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach the spacecraft, and will the spacecraft be ready to receive them?

Space

Scientists capture interstellar invader comet 3I/ATLAS growing a tail: 'This image is both a scientific milestone and a source of wonder' (photo, video)

Astronomers have captured a stunning new image of the interstellar intruder 3I/ATLAS, seeing its growing tail and glowing coma.

Space

Astronomers crack 1,000-year-old Betelgeuse mystery with 1st-ever sighting of secret companion (photo, video)

Astronomers have finally imaged the long theorized companion star of Betelgeuse, solving a mystery regarding its dimming that has persisted for millennia.

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Space

Astronomers trace mysterious blast of X-rays to 'Die Hard' star that refuses to perish (video)

Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.

Space

Gaze at a cluster of glowing galaxies | Space photo of the day for May 2, 2025

Galaxy cluster Abell 1489, as imaged by the International Gemini Observatory, contains more than 200 of the gravitationally-bound systems of stars, stellar remnants, interstellar gas and dust.

Space

See a starburst galaxy, ablaze with explosive star birth, devouring dwarf galaxies (video)

To celebrate its 25th anniversary, the Gemini North telescope team has released a stunning image of starburst galaxy NGC 4449, which is ablaze with intense star birth as it devours smaller galaxies.

Space

Astronomers pierce cosmic dust of 'Jewel Bug Nebula' to study anatomy of a dying star

The new spectrograph, named IGRINS-2, will probe regions of star-birth and star-death, as well as observe exoplanets and track the evolution of galaxies.

Asharq Al-Awsat

Closest Known Black Hole to Earth Spotted by Astronomers

Astronomers have discovered the closest known black hole to Earth, just 1,600 light-years away. Scientists reported Friday that this black hole is 10 times more massive than our sun. And it’s three times closer than the previous record-holder. It was identified by observing the motion of its companion star, which…

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