New gravitational lensing measurements by the TDCOSMO Collaboration support the Hubble Tension, confirming differences between Early and Late Universe Hubble Constant values using updated ...

Interstellar comet 3I/ATLAS shows a growing green glow and new X-ray activity as scientists study changes in its chemistry during its rare passage through the Solar System ...

The telescope captured near-infrared light from one of the earliest stars seen to explode in the history of the universe.

The NASA/ESA/CSA James Webb Space Telescope has captured an amazing view of the iconic Hubble Ultra Deep Field using its MIRI ...

NASA's Webb telescope and Curiosity rover recognized in TIME's 'Best Inventions Hall of Fame' for their global impact since ...

Astronomers have utilized a cosmic magnifying glass to observe SN 2025wny, an ultrabright supernova located approximately 10 billion light-years away from Earth.

Harvard's Avi Loeb argues the 3I/ATLAS anti-tail defies solar physics, suggesting the interstellar visitor is not a comet but ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile ...

Two icons of discovery, NASA's James Webb Space Telescope and NASA's Curiosity rover, have earned places in TIME's "Best Inventions Hall of Fame ...

The U.S. Postal Service today announced the Priority Mail and Priority Mail Express stamps it will release in 2026. There ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

The James Webb Space Telescope has confirmed the oldest supernova ever observed, linked to GRB 250314A just 730 million years ...