Peering at the sunlit skies through a Vatican-owned space telescope and calling the last surviving member of the Apollo 11 spaceflight mission was how Pope Leo XIV celebrated the anniversary of the ...

Draconian budget and staff cuts could mean another Challenger disaster, warn current and former NASA employees.

Draconian budget and staff cuts could mean another Challenger disaster, warn current and former NASA employees.

The moon's thin atmosphere, called an exosphere, has been a puzzle to science for some time. Two main processes were thought ...