Jul 6, 2021 by News Staff

Using data from NASA’s Kepler/K2 mission, astronomers have detected four new microlensing events that are consistent with free-floating planets of similar...

Jul 5, 2021 by News Staff

In a study to be published in the Astronomical Journal, astronomers found that many exoplanet-hosting stars identified by NASA’s Transiting Exoplanet...

Jul 2, 2021 by News Staff

Terrestrial planets (Mercury, Venus, Earth, and Mars) are differentiated into three layers: a metallic core, a silicate shell (mantle and crust), and a...

Jun 30, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a transiting hot-Jupiter exoplanet around a slightly evolved star...

Jun 24, 2021 by News Staff

A team of astronomers from Cornell University and the American Museum of Natural History has identified 1,715 stars within 100 parsecs (326 light-years)...

Jun 11, 2021 by News Staff

Professional astronomers and citizen scientists from the NASA-funded Planet Hunters TESS project have discovered a two-planet system around the bright...

Jun 10, 2021 by Sergio Prostak

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a temperate, Neptune-sized planet orbiting the M-dwarf star TOI-1231. An...

May 27, 2021 by News Staff

Jupiter, Saturn and numerous giant exoplanets discovered to date consist mostly of hydrogen and helium. In 1977, planetary scientists predicted the existence...

May 24, 2021 by Natali Anderson

The newfound circumbinary planet, named TIC 172900988b, is slightly larger than Jupiter and transits both of its host stars, according to a paper to be...

May 10, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite have discovered a sub-Neptune exoplanet orbiting TOI-220, a bright and old K-type dwarf...

Apr 30, 2021 by Natali Anderson

Astronomers using the NASA/ESA Hubble Space Telescope have imaged a Jupiter-sized, still-forming planet around the orange dwarf star PDS 70. This is the...

Apr 28, 2021 by Natali Anderson

Astronomers have detected a hydroxyl radical (OH) — the neutral form of the hydroxide ion — in the dayside atmosphere of the ultrahot Jupiter...

Apr 26, 2021 by News Staff

Dark matter with masses below 1 GeV can scatter, become captured, deposit annihilation energy, and increase the heat flow within extrasolar gas giants,...

Apr 20, 2021 by Natali Anderson

Astronomers using the Spectro-Polarimetric High-contrast Exoplanet Research (SPHERE) instrument on ESO’s Very Large Telescope have discovered and directly...

Apr 15, 2021 by Sergio Prostak

Kepler-34, Kepler-35, Kepler-38, Kepler-64 and Kepler-413 — multiple star systems located between 2,764 and 5,933 light-years away in the constellations...

Apr 6, 2021 by News Staff

A new study published in the Journal of Geophysical Research: Planets is a first step toward a generalized theory of how precipitation and condensible...

Mar 29, 2021 by Natali Anderson

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and the HARPS-N spectrograph at the 3.6-m Telescopio Nazionale Galileo, astronomers...

Mar 22, 2021 by Natali Anderson

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based telescopes, astronomers have discovered and confirmed a...

Mar 18, 2021 by News Staff

1I/‘Oumuamua, a strange object of extrasolar origin discovered on October 19, 2017 by the Pan-STARRS 1 telescope, was small, about half as long as a...

Mar 16, 2021 by News Staff

Data suggest that 80% of ‘hot’ rocky exoplanets — rocky planets with orbital period less than 100 days — formed as gas-rich sub-Neptunes...