The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Time is running short for scientists hoping to collect data from 3I/Atlas, a massive interstellar object hurtling away from the Sun.

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...

Our solar system and galaxy were the first objects of study for what was going on in the universe. Among the various ...

NASA’s James Webb Space Telescope has now captured the first direct look at material within a disk encircling a massive ...

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

Objects such as 'Oumuamua, Borisov and recently 3I/ATLAS have opened our eyes to the reality that outsiders regularly visit our solar system — and we're about to start spotting a whole lot more of ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...