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...

Mar 11, 2021 by News Staff

Using the NASA/ESA Hubble Space Telescope, astronomers have found evidence of volcanic activity reforming the atmosphere of Gliese 1132b, a rocky exoplanet...

Mar 9, 2021 by Natali Anderson

Five sub-Neptunes and one super-Earth exoplanet orbit a moderately bright K-type star called K2-138. An artist’s impression of the six-planet system...

Mar 9, 2021 by News Staff

Astronomers have discovered evidence for a giant planet orbiting Vega, a young star located 25 light-years away in the constellation of Lyra. An artist’s...

Mar 5, 2021 by News Staff

Astronomers from the CARMENES (Calar Alto high-Resolution search for M dwarfs with Exoearths with Near-infrared and optical Échelle Spectrographs) consortium...

Mar 4, 2021 by News Staff

LHS 3844b’s hemispheric tectonics is the direct consequence of a significant temperature contrast between its day- and nightside and is absent in the...

Mar 3, 2021 by News Staff

Radionuclides are ubiquitous in sediment and rock, where their decay leads to the production of hydrogen and oxidized chemicals via radiolysis of water;...

Feb 23, 2021 by News Staff

In a study published in the journal Science Advances, a team of European astronomers shows that water can be delivered to a terrestrial planet in the form...

Feb 22, 2021 by Natali Anderson

A team of astronomers from Spain, Italy and Germany has discovered a short-period super-Earth exoplanet circling the nearby red dwarf Gliese 740. An artist’s...

Feb 17, 2021 by Natali Anderson

K2-290A, the primary star in the triple stellar system K2-290, is tilted by 124 degrees compared with the orbits of both of its known planets, and has...