Exoplanet systems as a research area investigate the formation, architecture, dynamics, and physical properties of planetary systems orbiting stars other than the Sun, integrating observational, theoretical, and computational approaches. The field encompasses detection techniques (e.g., transits, radial velocities, direct imaging, microlensing), characterization of planetary masses, radii, atmospheres, and orbits, and statistical studies of population demographics as functions of stellar type, metallicity, and environment. It also addresses disk–planet interactions, migration processes, multi-planet dynamics, and stability, with implications for planet formation theories, comparative planetology, and the occurrence and potential habitability of terrestrial and giant planets in diverse stellar contexts.
In a discovery that's fit for a movie, Northwestern University astronomers have directly imaged a Tatooine-like exoplanet, orbiting two suns. While obtaining an image of a planet beyond our solar system is already rare, finding ...
Astronomy
Dec 11, 2025
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The hunt is on for terrestrial exoplanets in habitable zones, and some of the most promising candidates were discovered almost a decade ago about 40 light-years from Earth. The TRAPPIST-1 system contains seven terrestrial ...
Planetary Sciences
Dec 11, 2025
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89
Researchers using NASA's James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky planet outside our solar system.
Astronomy
Dec 11, 2025
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125
In a recent Hot Take segment, the China Global Television Network recently released an interesting video detailing China's future plans for space. Titled "Earth 2.0? China's plan to find new Earth," the video actually details ...
Space Exploration
Dec 8, 2025
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37
For the first time, scientists have continuously monitored a planet's escaping atmosphere over a complete orbit, revealing that the gas giant WASP-121 b is surrounded by not one but two massive helium tails stretching more ...
Astronomy
Dec 8, 2025
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57
Of the seven Earth-sized worlds orbiting the red dwarf star TRAPPIST-1, one planet in particular has attracted the attention of scientists. This planet orbits the star within the "Goldilocks zone"—a distance where water on ...
Astronomy
Dec 4, 2025
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404
Like a toddler right before naptime, TRAPPIST-1 is a small yet moody star. This little star, which sits in the constellation Aquarius about 40 light-years from Earth, spits out bursts of energy known as "flares" about six ...
Astronomy
Dec 4, 2025
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50
Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are so many different factors to consider, and we only have the technological capabilities to detect ...
Astrobiology
Dec 4, 2025
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51
Astronomers using the Subaru Telescope in Hawaiʻi have discovered a massive planet and a brown dwarf orbiting distant stars. The discoveries are the first results from OASIS (Observing Accelerators with SCExAO Imaging Survey), ...
Astronomy
Dec 4, 2025
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53
Observations with the instrument SPHERE at ESO's Very Large Telescope have produced an unprecedented gallery of "debris disks" in exoplanetary systems.
Astronomy
Dec 3, 2025
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