In doing so, they found this orphan is within the same weight class as Saturn, strengthening the case that the galaxy teems ...

Explore the vast distances between planets and objects in our solar system, and why most of the space around us is a wide ...

I/ATLAS, the interstellar object discovered in 2025, reveals the estimated population, composition, and distribution of ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...

Leaving the solar system behind, this video dives into the staggering distances between stars, galaxies, clusters, and ...

The University of Arizona's OSIRIS-APEX spacecraft only made it home once in 2025, but at least it got some nice snapshots ...

Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

Last Friday, the interstellar comet designated 3I/ATLAS completed its closest approach to Earth without crashing into us or depositing an invading armada.

ESA’s Juice spacecraft observed interstellar comet 3I/ATLAS in November 2025, capturing NavCam images and collecting instrument data, with full science results expected to arrive on Earth in February ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...