New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

More than half a million satellites are planned to launch by the end of the 2030s, and simulations suggest they will have a severe impact on space-based astronomy ...

NASA Goddard Space Flight Center's Dr. Jennifer Wiseman explains the Hubble Space Telescope's view of the Pillars of Creation, located in the Eagle Nebula. Credit: NASA's Goddard Space Flight Center ...

Explore the amazing journey of the Hubble Space Telescope and its successor, the James Webb Space Telescope (JWST). Discover how Hubble forever changed our view of the universe with its incredible ...

A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly. The National Science Foundation's NoirLab released the picture Wednesday. Snapped last month by the ...

The James Webb Space Telescope (JWST) has opened a new chapter in planetary science, giving astronomers the ability to observe JWST exoplanets with a level of detail never before possible. Launched as ...

The NASA/ESA/CSA James Webb Space Telescope has discovered a new moon orbiting Uranus. The moon, designated S/2025 U1, is about six miles (10 kilometers) in diameter, which made it hard to spot by ...

CAPE CANAVERAL, Fla. (AP) — A telescope in Chile has captured a stunning new picture of a grand and graceful cosmic butterfly. The National Science Foundation’s NoirLab released the picture Wednesday.