Research published Tuesday by a Japanese astrophysicist says gamma rays may have been generated by the collision of dark ...

American space science sits at a crossroads, with unmatched technical capability on one side and mounting political and ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

Our Solar System orbits the galactic center at an estimated 792,000 kilometers per hour, taking 225 million Earth years to ...

Scientists are sending mouse sperm to space. They want to see if mammals can reproduce there. The sperm is stored on the International Space Station. It will return to Earth in 2025. Researchers will ...

NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors ...

60-year-old Oleg Kononenko has safely returned to Earth following a record-breaking year-long stint onboard the International Space Station. His latest trip to space means he has now spent more time ...

We’re about a quarter of the way through the 21st century. Summers across the global north are now defined by flash floods, droughts, heat waves, uncontainable wildfires, and intensifying named storms ...

Imagine stepping outside to stargaze on a clear summer night, only to see no stars but rather the garish glow of advertisements streaming across the sky. This seemingly science-fictional scenario ...