How do supergiant exoplanets form? James Webb Space Telescope finds a clue

Using the James Webb Space Telescope, astronomers have investigated the giant exoplanet 29 Cygni b — work that could clarify the line between planets and stars.

NASA Finds Young Stars Dim in X-rays Surprisingly Quickly
NASA Finds Young Stars Dim in X-rays Surprisingly Quickly

Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray output than previously thought, according to a new study using NASA’s Chandra X-ray Observatory. A paper describing the results published Monday in The Astrophysical Journal. Unlike in the new movie “Project Hail Mary,” this quieting […]

These 45 exoplanets may be the best places to search for alien life

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life.

100 new alien worlds: Scientists find hidden haul in data from NASA exoplanet-hunting spacecraft

Astronomers have discovered an additional 100 new worlds in data collected by NASA’s exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.

Scientists discover mirror of our solar system in 2 exoplanets forming around a star

Astronomers have spotted two planets forming around a distant infant star, offering a time capsule into see what the solar system looked like billions of years ago.

The loneliest places in the universe might actually be some of the best places for life

Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.

These cotton candy exoplanets hide behind a haze even the James Webb Space Telescope can’t penetrate

These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.

Astronomers discover a new type of planet that probably smells like rotten eggs

Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs.

‘Completely bonkers’: Astronomers find evidence of a cataclysmic collision between exoplanets

Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth’s history that created the moon.

The world’s 1st private space telescope just spotted its 1st star. Here’s what it saw.

The world’s first commercial space telescope has released its first image as it begins its journey to help track nearby stars that might host habitable exoplanets.