LkCa 15, also known as IRAS 04363+2215, EPIC 247520207 or TIC 118681038, is a K5-type star with a mass of 1.2 solar masses.
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Exoplanets smaller than Neptune are common around red dwarf (M-dwarf) stars, and many of those that transit their host stars constitute the bulk of known...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite and the SPECULOOS (Search for habitable Planets EClipsing ULtra-cOOl Stars) telescopes...
Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have captured a direct image of HIP 65426b, an extrasolar gas giant about 6 to 12 times...
Carbon dioxide is a key chemical species that is found in a wide range of planetary atmospheres.
This transmission spectrum of WASP-39b was captured by...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the SPIRou spectropolarimeter on the 3.6-m Canada-France-Hawaii telescope have...
The International Astronomical Union (IAU) has announced a contest to name extrasolar planetary systems to be observed by the NASA/ESA/CSA James Webb Space...
With an effective temperature of 8,500 K, the A-type star HD 56414 is one of the hottest stars known to host a planet smaller than Jupiter.
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Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have detected the emission from 13CO — measure of the molecular gas distribution...
The NASA/ESA/CSA James Webb Space Telescope has captured the distinct signature of water, along with evidence for clouds and haze, in the atmosphere surrounding...
University of Toronto astronomer Evelyn Macdonald and her colleagues have identified substantial differences in surface temperature, sea ice and water...
The NASA/ESA/CSA James Webb Space Telescope mission today released its first full-color scientific images and spectroscopic data.
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Pulsar planets are extrasolar worlds that are found orbiting pulsars, or rapidly rotating neutron stars. In new research, Iuliana Camelia Nitu, a Ph.D....
An international team of astronomers, using the radial velocity (RV) method, has discovered a third planet in the planetary system HD 33142.
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Astronomers using the Gemini Planet Imager instrument at the Gemini South telescope in Chile have imaged a sample of 44 bright Herbig Ae/Be and T-Tauri...
HD 53143 is a one-billion-year-old solar-type star located 59.8 light-years away in the constellation of Carina.
This composite image shows the HD 53143...
Using the radial velocity technique, astronomers have discovered a super-Earth exoplanet orbiting near the inner edge of the habitable zone of the cool...
In a new paper published in the International Journal of Astrobiology, Houston Community College researcher Irina Romanovskaya proposes that free-floating...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting multi-planetary system around a nearby red dwarf (M-dwarf)...
In a new paper in the Astrophysical Journal, a duo of astronomers from the Kavli Institute for Particle Astrophysics and Cosmology at Stanford University...
