The object, known as 3I/ATLAS, has been labelled by some commentators as a “potentially hostile alien threat”, a description ...

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

Kim officially became an astronaut in 2017. Expedition 72 and Expedition 73 marked Kim’s first visit to the ISS, where he ...

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

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

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

I/ATLAS attracted attention when it was confirmed to be only the third body originating from another star system.

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

Nasa's mission teams use extreme environments to trial equipment and procedures for future lunar and planetary exploration. These analogue tests provide crucial practice and data for handling alien ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Asteroid 2025 XF1 is hurting through the solar system at nearly 8,000 miles per hour, according to the spacy agency.

NASA astronaut Jonny Kim, a Los Angeles native, returned to Earth after 245 days onboard the International Space Station.