This whirling image features a bright spiral galaxy known as MCG-01-24-014, which is located about 275 million light-years from Earth. In addition to being a well-defined spiral galaxy, MCG-01-24-014 has an extremely energetic ...
Astronomy
Dec 22, 2023
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2987
Dark matter is a hypothetical form of matter that is implied by gravitational effects that can't be explained by general relativity unless more matter is present in the universe than can be seen. It remains virtually as mysterious ...
Astronomy
Jun 7, 2024
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When searching for dark matter, astronomers must go on a sort of "ghost hunt." That's because dark matter is an invisible substance that cannot be seen directly. Yet it makes up the bulk of the universe's mass and forms the ...
Astronomy
Jan 9, 2020
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4601
An approximately 14 million year old pulsar star that is the "slowest-spinning" of its kind ever identified has been discovered by a Ph.D. student from The University of Manchester.
Astronomy
Oct 23, 2018
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2963
A planet relatively close to Earth could be the first ever detected with a potentially life-sustaining liquid ocean outside our Solar System, according to scientists using the James Webb space telescope.
Astronomy
Jul 13, 2024
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2929
The hunt for exoplanets has been heating up in recent years. Since it began its mission in 2009, over four thousand exoplanet candidates have been discovered by the Kepler mission, several hundred of which have been confirmed ...
Astronomy
Aug 15, 2016
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5811
Five years ago, the Nobel Prize in Physics was awarded to three astronomers for their discovery, in the late 1990s, that the universe is expanding at an accelerating pace.
Astronomy
Oct 21, 2016
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10449
In the northern sky in December is a beautiful cluster of stars known as the Pleiades, or the "seven sisters." Look carefully and you will probably count six stars. So why do we say there are seven of them?
Astronomy
Dec 22, 2020
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20508
Black holes are created when stars die catastrophically in a supernova. So what in the universe is a white hole?
Astronomy
Oct 9, 2015
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2851
Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short of the total matter produced in the Big Bang 13.6 billion years ago. In fact, more than half of ...
Astronomy
Apr 14, 2025
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2851
