Stars

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A blurry swirl of blue and yellow and red gas are seen in this image with a bright dot of light in the center

Neutron star photobombs baby star | Space photo of the day for Feb. 3, 2026

By Kenna Hughes-Castleberry published

When young stars mix with neutron stars, things get messy.

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Illustration shows a disk of planetary debris and its shroud of gas and dust passing in front of a star

A mystery object is holding this 120 million-mile-wide cloud of vaporized metal together

By Robert Lea published

"Stars like the sun don’t just stop shining for no reason."

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JWST image of the merged star LRN AT 2011kp in the galaxy NGC 4490

James Webb Space Telescope discovers what remains after two stars collide and explode as a red nova

By Robert Lea published

"Until now, it was unknown what type of star would remain after the merger."

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A series of blue cloudy shapes against a starry background, with bright stars shining in red and pink amidst the background

Searching for newborn stars with CAFFEINE | Space photo of the day for Jan. 22, 2026

By Kenna Hughes-Castleberry published

The Core And Filament Formation/Evolution In Natal Environments (CAFFEINE) survey is an "astronomer's best friend," according to the European Southern Observatory.

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The planetary nebula known as the Ring Nebula with its central iron bar marked in red

Astronomers discover an enormous iron bar in the famous Ring Nebula: 'We definitely need to know more'

By Robert Lea published

"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the familiar and iconic ring."

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Outbursts from an infant star light up the interstellar clouds HH 80 and HH 81

Hubble Telescope watches star blast out jet of hot gas 32 light-years long

By Robert Lea published

The protostar is launching the longest outburst ever seen at 32 light-years long.

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Clouds of blue and gold are mixed with bright twinkling blue and white lights against a dark background

Hubble Telescope sees baby stars hard at work | Space photo of the day for Jan. 16, 2025

By Kenna Hughes-Castleberry published

Ba-by stars, doo doo doo doo doo doo.

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A glowing ball of white light representing a red giant is surrounded by rings of red gas against a black background

We may be witnessing the messy death of a star in real time

By Paul Sutter published

For over two centuries, we have watched the red giant R Leonis dim and brighten with regularity, but this 'heartbeat' is beginning to speed up near the end of the star's life.

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The central square image, taken with the MUSE instrument on ESO’s Very Large Telescope, shows shock waves around the dead star RXJ0528+2838.

Mystery shockwave around dead star stuns astronomers: 'We found something never seen before and entirely unexpected.'

By Robert Lea published

"The surprise that a supposedly quiet, discless system could drive such a spectacular nebula was one of those rare 'wow' moments."

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This artist’s concept shows the red supergiant star Betelgeuse and an orbiting companion star. The companion, which is orbiting clockwise from this point of view, generates a dense wake of gas that expands outward.

Hubble Telescope spies 'wake' of supergiant Beutelgeuse's hidden companion star

By Julian Dossett published

Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of Betelgeuse's elusive companion star, named Siwarha.

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