In the time since the first exoplanet was discovered in 1992, astronomers have detected more than 5,000 planets orbiting other stars. But when astronomers detect a new exoplanet, we don't learn a lot about it: We know that ...
Astronomy
May 2, 2022
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Archival observations of 25 hot Jupiters by the NASA/ESA Hubble Space Telescope have been analyzed by an international team of astronomers, enabling them to answer five open questions important to our understanding of exoplanet ...
Astronomy
Apr 25, 2022
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385
Astronomers report the discovery of another exoplanet around a nearby star known as HD 83443. The newfound extrasolar world is a Jupiter-mass planet orbiting its host on a highly eccentric 22-year orbit. The finding was detailed ...
Mercury harbors water ice in the shadows of the steepest craters around its poles. But it is unclear how those water molecules ended up on Mercury. Now a new simulation shows that incoming minor bodies such as asteroids, ...
Planetary Sciences
Apr 19, 2022
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172
An international team of researchers who published a paper in the journal Science in 2016 describing their discovery of an exoplanet with three stars, has now retracted that paper.
Direct images of exoplanets are rare and lack detail. Future observatories might change that, but for now, exoplanet images don't tell researchers very much. They merely show the presence of the planets as blobs of light.
Astronomy
Apr 13, 2022
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75
A new study by an international team of astrophysicists, led by the Jodrell Bank Center for Astrophysics has presented the amazing new discovery of a near-identical twin of Jupiter orbiting a star at a colossal distance of ...
Astronomy
Apr 1, 2022
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341
It takes expensive tools to learn about the universe, but projects like the Very Large Array for radio astronomy in New Mexico and the Chandra X-ray Observatory, which orbits Earth, have pushed scientific knowledge forward ...
Astronomy
Mar 29, 2022
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82
A refinement to a space weather model developed by a center director at the University of Alabama in Huntsville (UAH) could help scientists check out which planets outside our solar system are likely to have someone home.
Planetary Sciences
Mar 29, 2022
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163
NASA's upcoming SPHEREx mission will have some similarities with the James Webb Space Telescope. But the two observatories will take dramatically different approaches to studying the sky.
Space Exploration
Mar 24, 2022
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