The seven rocky exoplanets orbiting TRAPPIST-1, an ultracool dwarf star located 38.8 light-years away in the constellation Aquarius, are about 8% less...
The TOI-178 planetary system, a 7.1-billion-year-old system of six planets in the super-Earth to mini-Neptune range, five of which are locked in a rare...
With a mass of 1.8 Neptune masses and a radius of Jupiter, WASP-107b presents a challenge to planet formation theories.
An artist’s impression of WASP-107b....
Shortly after NASA’s Kepler mission began operations back in 2009, it identified what was thought to be a planet about the size of Neptune. Called KOI-5Ab,...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite and the High Resolution Echelle Spectrometer on the Keck I telescope at the W. M. Keck...
NGTS-14Ab, an alien world slightly larger than Neptune orbiting around an orange dwarf in the binary system NGTS-14, joins a growing number of exoplanets...
Astronomers using data from the HATNet (Hungarian-made Automated Telescope Network) survey have discovered a transiting giant planet orbiting the K5-type...
Astronomers using the LOw Frequency Array (LOFAR), a large radio telescope network located mainly in the Netherlands, have detected circularly polarized...
Astronomers using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered two exoplanets transiting inactive red dwarf stars TOI-122...
Astronomers are still searching for a hypothetical Planet Nine in the distant reaches of the Solar System, but an 11-Jupiter-mass planet called HD 106906b...
In a new study published in the Astrophysical Journal Letters, astronomers investigated the effects the activity of the red dwarf star Proxima Centauri...
Glycine and other amino acids form in dense interstellar clouds well before they transform into new stars and planets, suggests a new study led by researchers...
Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) and the Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations...
The thermal evolution of rocky planets depends on the heat input from three long-lived radiogenic elements: potassium, thorium, and uranium. Concentrations...
Water may emerge in connection with the formation of terrestrial planets, according to a new analysis of a Martian meteorite called North West Africa (NWA)...
Using computer simulations, an international team of astronomers has studied the weather conditions on K2-141b, an Earth-size exoplanet with supersonic...
Barnard’s star, a 10-billion-year-old red dwarf just 6 light-years from Earth, is still very active and potentially destructive for the atmospheres of...
Astronomers from the OGLE (Optical Gravitational Lensing Experiment) project have discovered a Mars- to Earth-mass free-floating, or rogue, planet through...
Using data collected by the InfraRed Array Camera aboard NASA’s Spitzer Space Telescope and NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers...
Astronomers using the Atacama Large Millimeter/sub-millimetre Array (ALMA) have observed the emission from dust grains in the protoplanetary disk around...