Astronomers from the University of Chicago and elsewhere report the detection of an outflowing helium from the atmosphere of a nearby mini-Neptune exoplanet known as TOI-2134 b. The finding was detailed in a research paper ...
The search for exoplanets—planets that orbit stars located beyond the borders of our solar system—is a hot topic in astrophysics. Of the various types of exoplanets, one is hot in the literal sense: hot Jupiters, a class ...
Astronomy
Aug 14, 2023
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161
With the help of the CHEOPS space telescope an international team of European astronomers managed to clearly identify the existence of four new exoplanets. The four mini-Neptunes are smaller and cooler, and more difficult ...
Astronomy
Jun 8, 2023
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141
Research led by an Indiana University astronomer challenges longstanding beliefs about the isolation of "hot Jupiters" and proposes a new mechanism for understanding the exoplanets' evolution.
Astronomy
Jun 7, 2023
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101
A team of astronomers has used observations from the Hobby-Eberly Telescope (HET) at The University of Texas at Austin's McDonald Observatory to discover some of the longest tails of gas yet observed escaping a planet.
Astronomy
Jun 7, 2023
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243
In the past 30 years, more than 5,000 planets have been discovered outside our solar system. One common exoplanet is the lava world, a hot super-Earth with oceans of liquid lava. Mantas Zilinskas developed models to simulate ...
Astronomy
May 23, 2023
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24
For the first time, scientists have caught a star in the act of swallowing a planet—not just a nibble or bite, but one big gulp.
Astronomy
May 6, 2023
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47
In 1992, humanity's effort to understand the universe took a significant step forward. That's when astronomers discovered the first exoplanets. They're named Poltergeist (Noisy Ghost) and Phobetor (Frightener), and they orbit ...
Astronomy
Feb 8, 2023
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18
For the first time astronomers have identified a planet that is spiralling towards a cataclysmic collision with its ageing sun, potentially offering a glimpse into how Earth could end one day.
Astronomy
Dec 24, 2022
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197
For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star. The stricken world appears destined to spiral closer and closer to its maturing star until collision ...
Astronomy
Dec 19, 2022
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870
