Astronomy
Astronomers spotted a rare galaxy shutting down star formation
A distant galaxy harbors an active black hole and active star formation at the same time – an unusual coincidence.
Astronomy
More Stories in Astronomy
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SpaceThe Parker Solar Probe will have company on its next pass by the sun
The probe is about to make another close pass of the sun. This time, Solar Orbiter, BepiColombo and others will be watching too.
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AstronomyThe Milky Way’s central black hole may have turned nearby red giant stars blue
A powerful blast from the supermassive black hole at the Milky Way’s center may explain the lack of large, red stars there.
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AstronomyEnormous X-ray bubbles balloon from the center of the Milky Way
Images from the the eROSITA telescope reveal X-ray–emitting blobs surrounding gamma-ray bubbles.
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SpaceHere are 10 of Arecibo’s coolest achievements
The now-defunct Arecibo radio telescope in Puerto Rico made myriad discoveries over its 57-year run, including of pulsar planets and ice on Mercury.
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SpaceWhy losing Arecibo is a big deal for astronomy
The radio telescope at the Arecibo Observatory has collapsed, robbing scientists of a special tool for studying everything from asteroids to galaxies.
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SpaceDecember’s stunning Geminid meteor shower is born from a humble asteroid
Most meteor showers arise from comets, but the robust Geminid shower comes from an asteroid, Phaethon, which scientists are still trying to figure out.
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SpaceAstronomers spotted colliding neutron stars that may have formed a magnetar
Astronomers may have witnessed the formation of a kind of rapidly spinning, extremely magnetized stellar corpse for the first time.
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SpaceRunaway stars may create the mysterious ultraviolet glow around some galaxies
Hot blue stars kicked out of their birthplace can travel thousands of light-years to their galaxies’ hinterlands, new computer simulations show.
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AstronomyBetelgeuse went dark, but didn’t go supernova. What happened?
Astronomers are anxious to learn why Betelgeuse, one of the brightest stars in the sky, dimmed dramatically, but didn’t explode, in 2019.