Nov 2, 2023 by News Staff

In the search for life in the Universe, Earth provides a template of evolution for the one habitable planet we know. Earth’s atmospheric composition...

Oct 31, 2023 by News Staff

Two new papers in the Astronomical Journal show that in some multiplanet systems, giant planets tend to kick their smaller neighbors out of orbit and wreak...

Oct 25, 2023 by Natali Anderson

Astronomers from Trinity College Dublin, the Breakthrough Listen project and Onsala Space Observatory have demonstrated the effectiveness of using multisite...

Oct 24, 2023 by News Staff

A stable-frequency transmitter with relative radial acceleration to a receiver will show a change in received frequency over time, known as a ‘drift...

Oct 18, 2023 by News Staff

Young moving stellar groups are the best targets for direct imaging of exoplanets and four massive Jupiter-like planets have been already discovered in...

Oct 16, 2023 by News Staff

A transmission spectrum of WASP-17b — a hot-Jupiter exopanet around 1,300 light-years away — captured by the Mid-Infrared Instrument (MIRI)...

Oct 11, 2023 by Natali Anderson

The collision between two exoplanets of several to tens of Earth masses occurred at a distance of 2-16 AU (astronomical units) from the young solar-like...

Sep 27, 2023 by Natali Anderson

TRAPPIST-1 is a nearby system of seven Earth-sized, temperate, rocky exoplanets transiting a Jupiter-sized ultracool red dwarf, ideally suited for in-depth...

Sep 26, 2023 by News Staff

Lava worlds are a potential emerging population of hot super-Earth exoplanets that are on close-in orbits around their host stars, with likely partially...

Sep 26, 2023 by News Staff

The search for definitive biosignatures — unambiguous markers of past or present life — is a central goal of paleobiology and astrobiology....

Sep 19, 2023 by Natali Anderson

HIP 81208 is the first binary stellar system with substellar companions around each stellar component ever found by direct imaging. Astronomers thought...

Sep 11, 2023 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have discovered carbon dioxide and methane in the atmosphere of the habitable zone exoplanet...

Sep 4, 2023 by Enrico de Lazaro

Astronomers believe the peculiar composition of the Neptune-sized planet TOI-1853b is the result of a giant planetary clash. Heavy elements dominate the...

Aug 31, 2023 by Natali Anderson

Astronomers report the discovery and validation of two long-period giant exoplanets orbiting the K-dwarf star TOI-4600, first detected using observations...

Aug 28, 2023 by Enrico de Lazaro

Chromium hydride is often used to probe atmospheric temperatures and classify objects called brown dwarfs into spectral types because it’s abundant only...

Aug 4, 2023 by Enrico de Lazaro

Using data from TRAPPIST-South/North, SPECULOOS, and MuSCAT3 facilities, astronomers have discovered an unusual Jupiter-sized exoplanet orbiting the red...

Jul 31, 2023 by Enrico de Lazaro

A process called photoevaporation is a potential explanation for several features within exoplanet demographics. Atmospheric escape observed in young Neptune-sized...

Jul 26, 2023 by News Staff

The formation of giant planets has traditionally been divided into two pathways: core accretion and gravitational instability. However, in recent years,...

Jul 25, 2023 by Enrico de Lazaro

Terrestrial and sub-Neptune exoplanets are expected to form in the inner regions of protoplanetary disks around their parent stars. Water plays a key role...

Jul 20, 2023 by Enrico de Lazaro

PDS 70, a young K7-type star some 370 light-years away from Earth in the constellation of Centaurus, is a unique target for planetary formation studies...