The circular formation, highlighted by the space agency’s Earth Observatory, features rings made of sedimentary and igneous rock.

A new study from NASA reveals that a supernova observed nearly two millennia ago expanded inside a pre-formed cosmic cavity, ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

A recently resurfaced image taken byNASA’s Mars Global Surveyor is reigniting public fascination with the Red Planet. The photo, which shows what appears to be a square-like formation on the Martian ...

It is located about 25 million light-years from Earth in the constellation Ursa Major.

NASA’s James Webb Space Telescope Optical Telescope Element Pathfinder and Parker Solar Probe models are now on permanent display at the Smithsonian’s Udvar-Hazy Center, providing insight into testing ...

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens living on the planet. All sorts of bizarre objects have been spotted ...

NASA cutaway shows Europa’s ice shell structure Explore Europa's ice shell structure with a fascinating NASA cutaway view revealing cracks and voids extending hundreds of feet below its surface.