Once a month, we feature a story from Lightspeed’s current issue. This month’s selection is “Death Echoes Overlapping” by ...

Space has long been a matter of great curiosity and perplexity for humans. Astronauts ...

SpaceX halted Falcon 9 launches for a week while it investigated that issue, which was traced to a fuel leak in one of the booster's nine Merlin engines. This leak led to a fire shortly after ...

Ahead of the launch of Artemis II, the first crewed mission to the moon in more than 50 years, astronauts share the movies that capture the danger, teamwork, and wonder of spaceflight. Their picks ...

Immigration sweep brings overcrowded rooms and overflowing toilets. Lawyers say they can’t visit their clients. The ...

NASA has selected Axiom Space for its fifth private astronaut mission to the International Space Station, scheduled for 2027.

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent might they resemble or represent ordinary humans?

There’s no denying the allure of alien artifacts. Science fiction is awash in the material remnants of extraterrestrial civilizations, which surface in everything from the classic books of Arthur C.

Astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spacecraft. 3I/ATLAS was confirmed as the third known object to enter our solar system from interstellar ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

NASA said Thursday that it will bring four astronauts aboard the International Space Station back to Earth more than a month earlier than planned because of a medical issue — the first such evacuation ...