Cosmology
Latest about Cosmology
![An illustration of a star gobbling up a planet.](https://cdn.mos.cms.futurecdn.net/g2QqA7Qn8ynNsmQxmeZJvb-320-80.jpg)
Study of 'twin' stars finds 1 in 12 have killed and eaten a planet
By Charles Q. Choi published
A study of 91 pairs of stars finds that about 8%, or one in 12, swallowed up a planet at some point in their lives.
![Two alternative models for the interior of white dwarfs placed side-by-side. (Left) the ordinary crystallization of a standard white dwarf. (Right) A slower cooling peculiar white dwarf dominated by distillation.](https://cdn.mos.cms.futurecdn.net/RQsRL2CYofMFmScGsz4Jqi-320-80.jpg)
Newly discovered 'fountain of youth' phenomenon may help stars delay death by billions of years
By Robert Lea published
Recent observations show that some white dwarf stars suddenly stop cooling. Now, scientists propose a 'fountain of youth' mechanism that may explain how these stellar husks avoid death for billions of years.
![A never-before-seen view of the magnetic fields in the center of the Milky Way.](https://cdn.mos.cms.futurecdn.net/qxNDDtnS5gjvoHLendg3s7-320-80.jpg)
'This is a journey, not a destination': Stunning map of the Milky Way's center exposes new mysteries about our galaxy
By Robert Lea published
A stunning new map of the magnetic fields at the Milky Way's center charts never-before-seen features, and raises new questions about how our galaxy's central engine works.
![(Main) The complex shape of Gz9p3 shows it origins as the result of a merger between galaxies (Inset) direct imaging by the JWST reveals Gz9p3 has a double nucleus indicating a merger that is still ongoing.](https://cdn.mos.cms.futurecdn.net/ZSiMP27E6QELTtzgqHBnM3-320-80.jpg)
Speck of light spotted by Hubble is one of the most enormous galaxies in the early universe, James Webb telescope reveals
By Robert Lea published
The ancient obect Gz9p3, which appeared as a single point of light through the Hubble Space Telescope, is actually one of the most enormous galaxies in the early universe, James Webb Space Telescope observations reveal.
![A giant cloud of red gas with stars inside](https://cdn.mos.cms.futurecdn.net/iWRxZdjP9UgnsNMXqpLUf6-320-80.jpg)
Space photo of the week: James Webb telescope snaps stunning 'tapestry of star birth' peppered with cavernous galactic voids
By Harry Baker published
Two new James Webb Space Telescope images show off massive bubbles carved out of a stellar nursery by giant, baby stars growing in a nearby galaxy.
![Some of the most interesting objects found within the new 1.3-gigapixel Vela Supernova Remnant image.](https://cdn.mos.cms.futurecdn.net/6n7pNXD3B9cinH4gBRRXKa-320-80.jpg)
Astronomers reveal one of the most detailed pictures of an exploded star ever taken
By Keith Cooper published
Astronomers have taken the most detailed image of the Vela supernova remnant ever. The stunning, 1.3-gigapixel image is also the largest ever released from the Dark Energy Camera.
![An artist's concept of the binary star system known as T Coronae Borealis, in which a white dwarf star will burst with bright light after siphoning material from its larger red giant star companion.](https://cdn.mos.cms.futurecdn.net/iSp2QAGV5yNxH4rk8TMqAL-320-80.gif)
'New star' as bright as the North Star will ignite in the sky this year. Here's how to see it.
By Samantha Mathewson published
A nova outburst visible to the naked eye is expected to decorate the night sky this year with a "new star" that will briefly become as bright as the North Star, offering a once-in-a-lifetime stargazing opportunity.
![This image was taken by MIRI (the Mid-Infrared Instrument) on NASA's James Webb Space Telescope of a region near the protostar known as IRAS 23385.](https://cdn.mos.cms.futurecdn.net/8kDW522nJy8x9dmiNtperD-320-80.jpg)
James Webb telescope spots organic molecules swirling around unborn stars, hinting at origins of Earth-like worlds
By Stephanie Pappas published
Complex organic molecules spotted by the James Webb Space Telescope may hint at how habitable planets form.
![Illustration of the expansion of the Universe.](https://cdn.mos.cms.futurecdn.net/bYkzgveBrvAbbRR2dCAGNR-320-80.jpg)
James Webb telescope confirms there is something seriously wrong with our understanding of the universe
By Ben Turner published
Depending on where we look, the universe is expanding at different rates. Now, scientists using the James Webb and Hubble space telescopes have confirmed that the observation is not down to a measurement error.
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