If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.

I/ATLAS shows signs of alien engine and non-gravitational acceleration as it brightens and turns bluer while passing the Sun.

Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place ...

Kim Kardashian stirred up controversy and cosmic disbelief on national television after claiming the 1969 Apollo 11 moon landing was staged, prompting a swift and pointed reply from NASA.

The ISS has “come into its own as a very sophisticated scientific laboratory,” says retired NASA astronaut Scott Kelly, who ...

Archaeologists have studied how astronauts use the International Space Station to improve its potential future successors.

The head of NASA has called out Kim Kardashian after the famous mogul and reality television star claimed that the iconic ...

Renowned astrophysicist Neil deGrasse Tyson continues to dismiss the hypothesis of a Harvard University professor that a ...

New ESA simulations suggest that a solar storm on par with the 1859 Carrington Event could wreak havoc on Earth-orbiting ...

The International Space Station marks a quarter-century of continuous occupancy this weekend, boasting a guest list of nearly 300 — mostly professional astronauts but also the occasional space tourist ...

From historic Everest summits to Jane Goodall’s chimpanzee research, National Geographic magazine and its famed covers have ...