When you look up at the night sky, it appears unchanging. But if you look deep enough, you …
galaxies
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SpaceFeatured
What a Newly Discovered Gas Bridge Between Galaxies Tells Us About the Cosmic Cycle of Matter
by Troy OakesMost of the ordinary matter in the universe is hydrogen gas. But surprisingly, less than 20% of this …
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Space
For Making Stars, It’s Not Just How Much Gas a Galaxy Has That Matters — It’s Where It’s Hiding
by Troy OakesGalaxies are often described as vast star factories, churning out new suns from clouds of gas. For decades, …
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Space
To Map the Vibration of the Universe, Astronomers Built a Detector the Size of the Galaxy
by Troy OakesUsing the largest gravitational wave detector ever made, we have confirmed earlier reports that the fabric of the …
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Space
Egg-Shaped Galaxies May Be Aligned to the Black Holes at Their Hearts, Astronomers Find
by Troy OakesBlack holes don’t have many identifying features. They come in one color (black) and one shape (spherical). The …
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Space
New Measurements Reveal the Enormous Halos That Shroud All Galaxies in the Universe
by Troy OakesHave you ever wanted to make a $150,000 gamble? If you’re right, you open a new window to …
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Space
A Massive Explosion in Space Was Mapped Showing How Galaxies ‘Pollute’ the Cosmos
by Troy OakesWe breathe oxygen and nitrogen gas in our atmosphere every day, but did you know that these gases …
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Space
We Went Looking for Glowing Interstellar Gas — and Stumbled on 49 Unknown Galaxies
by Troy OakesStars are born from huge clouds of mostly hydrogen gas floating in space. Astronomers like me study this …
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Space
Astronomers Finally Caught Radio Waves From 40 Large Galaxies in the Nearby Universe
by Troy OakesSupermassive black holes reside in some of the biggest galaxies in the universe, and many emit radio waves. …
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In the grand tapestry of the cosmos, there exists a celestial wonder that has captured the imagination of …