A mystery interstellar object spotted last week by astronomers could be the oldest comet ever seen, according to scientists.

The double star system is called HD 135344 AB and it's about 440 light-years away from Earth. A and B are both young stars, ...

On July 1, scientists discovered a mysterious object hurtling through our solar system.  Nicknamed 3I/ATLAS, astronomers say ...

As 3I/ATLAS approaches the sun, astronomers expect its frozen ices to sublimate, releasing gas and forming a glowing coma and ...

AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...

Quasar 0957+561, the first known gravitationally lensed quasar, lies near NGC 3079 in Ursa Major. Here's how to find and ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...

NASA’s James Webb Telescope captures the "Cosmic Owl," a rare galactic formation resembling an owl’s face. See stunning images.

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 ...

A week and a half after its discovery, there are clues about the origin and age of the interstellar comet 3I/ATLAS – and ...

These are our picks of the best Amazon Prime Day star projector deals as the annual sales event kicks off on July 8.

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...