Passages of the Solar System have only been established in three interstellar objects, but the construction of new telescopes is envisioned in the future where visiting aliens will not be something ...

With the evidence that we have now, it would be a offense for nobody to go there and look, Rick Pettigrew said, it would be a ...

The James Webb Space Telescope is a machine of many talents. It can peer through dense space dust, glimpse the stellar drama of distant galaxies, and even observe the universe’s first stars. But some ...

From penicillin to the moon landing, we have science to thank for humanity’s greatest achievements. But science has also helped advance things we consider common and ordinary. From bicycles to toilets ...

"Researchers can extract more knowledge from the same data, contributing to a deeper understanding of the cosmos" When you purchase through links on our site, we may earn an affiliate commission. Here ...

Ripples in spacetime have revealed a distant collision between a black hole and a mystery object, which appears too massive to be a neutron star but not massive enough to be a black hole. That ...

Space is littered with cosmic wanderers. Some are stars booted from the grip of a companion they once had. Others are rogue comets and asteroids on runaway trajectories with nowhere to go and no one ...

When astronomers first spotted a faint, fast-moving object racing through the outer Solar System in mid-2025, few expected it to challenge what we know about cosmic history. Now known as 3I/ATLAS, the ...

The interstellar object 3I/ATLAS is identified by NASA as a comet with an unusual anti-tail. Harvard's Avi Loeb suggests the anti-tail may be a swarm of solid objects near 3I/ATLAS. Images show a tear ...