The inaugural ceremony was held at London's Natural History Museum on Dec. 5.

The astronauts and cosmonauts aboard the International Space Station spent their first full week as Expedition 74 crewmates.

A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Hawaiian stargazers got a particularly special treat recently.

The image shows a good example of the phenomenon called airglow.

NASA astronaut Jonny Kim flew home from the International Space Station alongside two Roscosmos cosmonauts landing in the ...

NASA astronaut Jonny Kim, who was born and raised in Los Angeles, returned to Earth Tuesday after 245 days in space. Kim and ...

A Soyuz spacecraft carrying NASA astronaut Jonny Kim and Roscosmos cosmonauts Sergey Ryzhikov and Alexey Zubritsky returned ...

Comets are not the only celestial bodies with tails. Earth and Mercury also possess them, formed by different mechanisms.

From Florida's Kennedy Space Center to Space Center Houston, the best space museums in the U.S. get you up close to rockets, ...

Nasa's Jonny Kim and cosmonauts Sergey Ryzhikov and Alexey Zubritsky have touched down in Earth after 245 days on the ISS.

3I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...