As the National Air and Space Museum built its collection and its identity, it also needed to find its footing as a place for science and research. In the third episode of our four-part limited series ...

A newly discovered object in a distant solar system doesn't fit neatly into the current definitions of moon or planet.

SpaceX moon impact 2026: a spent Falcon 9 upper stage will strike the lunar surface near Einstein Crater on August 5 at 2:34 ...

Our solar system is home to a whopping 891 moons, but the rest of the known cosmos? Nothing. Until now.  As a new paper in ...

Amazon’s Leo satellite network will soon be ready to operate and is expected to be functional before the end of the year.

Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to share it with a changed world?

The unintended event also creates an opportunity for scientists and skywatchers to witness lunar impact dynamics in real time ...

"Something happened to Mother Earth," said Colville Tribes Elder Dee Gun Shows, who lost her home in the Kaiser Canyon fire.

There are more than 18,000 active and inactive satellites in orbit. Now, there's a turf war on what agency should get to call ...

Scientists are documenting a planetary system in the Milky Way galaxy that is so starkly dissimilar to our own solar system that they are struggling to find ​the proper terminology to describe it.

Such are the strange semantic questions raised by studies of CD-35 2722 B, a brown dwarf with about 30 times the mass of Jupiter that’s orbiting a small star that is some 73 light-years from Earth in ...

Mission Space, a space-environment data company developing compact instruments for Earth orbit, cislunar space, and the lunar surface, and Puli Space Technologies, a Budapest-based lunar technology ...