To celebrate its third year of operations, the powerful space telescope has peered into the heart of an empyrean essence of cat: the Cat's Paw Nebula, a giant complex molecular cloud named for its ...

Cones outnumber rods only in the center of the retina, which is the area of greatest density. It is also the area most heavily used by daytime, direct vision. But rods do fire during the day, ...

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

The Smithsonian Institution is fighting efforts by Texas lawmakers to relocate the retired space shuttle Discovery from ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

There’s a new stop along the popular tour at Kennedy Space Center Visitor Complex, and it presents views that showcase ...

Another telescope on Mauna Kea is set to be decommissioned. With Fourth of July past, attention focuses on the Koloa ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...