New Webb and Hubble data not only confirm the existence of two distinct populations of stars in the ancient stellar system Terzan 5, once classified as a globular cluster, but also provides evidence for two more recent rounds of star formation.

The post Astronomers Find Four Separate Generations of Stars in ‘Globular Cluster’ Terzan 5 appeared first on Sci.News: Breaking Science News.

Using Webb’s NIRCam and NIRSpec instruments, astronomers have obtained the deepest spectrum ever taken of a little red dot.

The post Webb Delivers Strongest-Ever Case for ‘Black Hole Stars’ Lurking in Early Universe appeared first on Sci.News: Breaking Science News.

A supermassive black hole 6 billion times the mass of the Sun lurks in MRG-M0138, a gravitationally lensed quiescent galaxy seen when the Universe was just 3 billion years old, according to an analysis of data collected by the NIRSpec Integral Field Spectrograph onboard the NASA/ESA/CSA James Webb Space Telescope.

The post Webb Weighs Most Distant Inactive Black Hole Ever Found appeared first on Sci.News: Breaking Science News.

Using the spectral data from the Mid-Infrared Instrument (MIRI) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers have detected methane on 3I/ATLAS.

The post Webb Detects Methane on Interstellar Comet 3I/ATLAS appeared first on Sci.News: Breaking Science News.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found an enormous black hole in the early Universe that appears to predate its own host galaxy, raising fresh questions about how the cosmos’ first supermassive monsters were born.

The post Webb Spots Supermassive Black Hole Older Than Its Home Galaxy appeared first on Sci.News: Breaking Science News.

Using spectral data from the Near-Infrared Spectrograph (NIRSpec) onboard the NASA/ESA/CSA James Webb Space Telescope, astronomers analyzed the atmosphere of TOI-199b, a distant Saturn-mass world that is neither frozen nor scorching hot.

The post Webb Detects Methane in Atmosphere of Exo-Saturn TOI-199b appeared first on Sci.News: Breaking Science News.