Tag Archive for 'Deuterated methane'

Hubble captured this image of 3I/ATLAS on July 21, 2025, when the comet was 446 million km (277 million miles) from Earth. Image credit: NASA / ESA / David Jewitt, UCLA / Joseph DePasquale, STScI.

Interstellar Comet 3I/ATLAS Carries Methane with Record-Breaking Heavy Hydrogen

Nov 4, 2026 by Natali Anderson

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected the most deuterium-rich methane ever measured in the Solar System, hinting...