NASA’s Roman Space Telescope will study thousands of cosmic voids, mapping galaxy distributions to investigate dark matter, dark energy and the universe’s large-scale structure through precise ...

NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy ...

NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula ...

The 15th day of the 18th annual Space Telescope Advent Calendar shows a colorful view of a dense cloud of gas and dust, ...

December 15, 2025 - WASHINGTON — The U.S. Postal Service has announced the Priority Mail and Priority Mail Express stamps it will release in 2026. There will be additional stamp subjects to be ...

While the 21st century has been bumpy, it has also ushered in monumental scientific and technological breakthroughs that have ...

NASA’s Webb telescope and Curiosity rover inducted into TIME Hall of Fame, celebrating decades of scientific achievement, ...

The James Webb Space Telescope has captured a stunning view of the N79 nebula, located in the Large Magellanic Cloud. Credit: ...

NASA’s Hubble Space Telescope has unveiled a mesmerizing image of NGC 6369, a planetary nebula known as the “Little Ghost ...

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...

The best JWST images reveal galaxies, nebulae, and cosmic structures in stunning infrared clarity. These James Webb photos ...

The Calabash Nebula, pictured here — which has the technical name OH 231.8+04.2 — is a spectacular example of the death of a ...