A merger of galaxies and their supermassive black holes in the ZS7 system was spotted by the James Webb Space Telescope. The ...

BASED on findings published in Astronomy & Astrophysics in December and further reported by Keith Cooper for Space.com, ...

The 13th day of the 18th annual Space Telescope Advent Calendar features part of a dense cluster of galaxies—a wide variety ...

Located 12 billion light years away, the Alaknanda galaxy looks strikingly like the Milky Way. Its orderly spiral structure ...

Researchers employing the James Webb Space Telescope and Canada's NIRISS instrument have observed exoplanet WASP-121b getting ...

The 2026 program, with its mix of historic commemorations, is expected to draw interest from regular collectors and new ...

Scientists may have discovered an atmosphere on a distant planet. Astronomers at NASA used the James Webb Space Telescope to detect evidence suggesting that the rocky planet called TOI-561 b, aka ...

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

First-day-of-issue dates and locations through March 2026 also revealedWASHINGTON, Dec. 12, 2025 /PRNewswire/ -- The U.S.

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 ...

In theory, leaner NASA oversight, greater use of off‑the‑shelf hardware and narrower science goals can cut costs while ...