With hundreds of satellites launched each year and tens of thousands more planned, scientists are increasingly concerned ...

NASA’s IXPE identifies the source of X-rays in the black hole jet of galaxy 3C 84, confirming inverse Compton scattering and ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

NASA has revealed new details of what happened to a probe that had a close encounter with interstellar object 3I/ATLAS.

In the Bible, the Star of Bethlehem rises in the southern sky and then comes to a standstill, which is abnormal for a ...

Is it natural? Astronomers spot strange protrusion on object 3I/ATLAS as it speeds toward Earth. The interstellar comet shows ...

The NG-18 Cygnus spacecraft departed the International Space Station and burned up in Earth's atmosphere the following day.

Satellites have come a long way in the last couple years, and what you learned about them in school is likely far different ...

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ...

Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system ...

The interstellar object 3I/ATLAS, passing near the Earth, will be at the minimum distance from the planet on Friday, December ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...