A planned spacewalk outside the International Space Station was scrapped because of what NASA called a "medical concern" with ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

A NASA team using the Hubble Space Telescope found an object in space never recorded before, nicknamed “Cloud-9." ...

NASA did not identify the crew member or provide details on the medical concern, citing privacy issues in a brief blog post.

NASA on Thursday announced it would take the unprecedented step of bringing four crewmembers back to Earth from the space ...

NASA just postponed a spacewalk because of a medical concern with an astronaut. Here's how the agency has handled such issues ...

In our first segment, SpaceNews correspondent Debra Werner sits down with Jason Kim, CEO of Firefly Aerospace, to discuss the ...

The European Space Agency confirmed a cyber incident after a hacker claimed to access and steal data from external ...

The European Space Agency (ESA) suffered a security breach of its science servers, with a hacker group claiming they have ...

"Do we react for everything which has a chance to reach the ground? Or do we react only for the very large objects, as we did ...

A Spanish military communications satellite launched in October was struck by a “space particle,” an incident that could ...