NASA’s Nancy Grace Roman Space Telescope team now is targeting as soon as early September 2026 for launch, ahead of the agency’s commitment to flight no later than May 2027. “Roman’s accelerated development is a true success story of what we can achieve when public investment, institutional expertise, and private enterprise come together to take […]
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.
…
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 […]
A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life.
…
Astronomers have discovered an additional 100 new worlds in data collected by NASA’s exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.
…
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.
…
Extreme exomoons with tidal heating and thick, hydrogen-rich atmospheres may be able to create billions of years of potentially habitable surface conditions.
…
These worlds are among the least dense ever found, and all attempts to probe their atmospheres have been blocked by a mysterious smog.
…
Using the James Webb Space Telescope, astronomers have discovered an example of a new class of exoplanet, and it smells like rotten eggs.
…
Astronomers have witnessed evidence of an extremely violent collision between planets, and it resembles the event in Earth’s history that created the moon.
…