NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

I/ATLAS heads out but will be back with reinforcements? NASA confirms the interstellar comet has passed Earth and is exiting ...

Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to ...

Discover the secrets of 3I/ATLAS, the 7.6 billion-year-old interstellar comet passing Earth. Learn about its ancient origins ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Two strange galaxies that first crossed paths about 25 to 75 million years ago, prompting 'fireworks.' ...

Comet‍‌‍‍‌‍‌‍‍‌ 3I/ATLAS is just the third object that we know of that has been observed to pass through our solar system ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

NASA’s Europa Clipper spacecraft has observed interstellar comet 3I/ATLAS, collecting rare data as the ancient object made ...