SpaceX’s efforts to dim its Starlink satellites will likely be effective, at least for one major observatory. But the ...

There are still savings across telescopes and binoculars, even after Prime Day, but we expect them to finish soon.

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

On July 11, 2022, the James Webb Space Telescope finished its commissioning and commenced science operations. In the three ...

A newly discovered comet, 3I/ATLAS, may be the most ancient visitor ever detected, potentially older than our solar system itself. Unlike previous interstellar objects, this ice-rich comet seems to ...

After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Lead researcher Dr. Isabel Santos-Santos said, “We know of about 60 companion galaxies around the Milky Way, but we think ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...