One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't sure when it will go supernova.
The nebula is possibly being produced by a type of unstable star called a Wolf–Rayet star.
In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple way in which these mysterious objects might form.
Astronomers have used the LOFAR telescope array to create the largest radio survey of the cosmos, revealing 13.7 million cosmic scenes, including supermassive black holes, merging galaxies, and supernova explosions.
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Astronomers have dived into the turbulent and chaotic heart of the Milky Way, discovering hidden chemistry around our galaxy's supermassive black hole.
A persistent "gravity hole" beneath Antarctica gives scientists a window into Earth's deep interior, showing how processes far below reshape the planet's gravity field over millions of years.
The observations offer a rare glimpse into our solar system's early history.
The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.
Two aging stars in the binary system AFGL 4106 sculpt a glowing, egg-shaped nebula as they approach the end of their lives.