Interstellar comet 3I-ATLAS is a rare cosmic visitor that may be older than our Sun, offering scientists a unique glimpse ...

The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

The interstellar object 3I/ATLAS may be older than the Sun. Scientists are analysing its composition, origin, and rare ...

It can be hard to get your head around the fact that Earth is moving through space. But it is even stranger to realize that you are making two simultaneous journeys — around the sun and through the ...

Astronomers have directly observed a free-floating planet, comparable in mass to Earth, roaming the Milky Way. Discovered via ...

When we think about orbits, we usually picture the Earth zooming around the sun. But does the sun just sit there? Or is it on its own journey? I asked my friend Guy Worthey. He’s a space scientist at ...

A new study shows how Milky Way chemical tracks emerge from shifting star formation and gas supply, reshaping ideas about the ...

In the career of an astronomer, it’s hard to overstate the scale of a recent find by a team at Chile’s Very Large Telescope (VLT). Pasquale Panuzzo, a research engineer and lead author of the team’s ...

A long-standing scientific belief holds that stars tend to hang out in the same general part of a galaxy where they originally formed. Some astrophysicists have recently questioned whether that is ...

CAPE CANAVERAL, Fla. (AP) - It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

This story appears in the December 2010 issue of National Geographic magazine. It's hard to be modest when you live in the Milky Way. Our galaxy is far larger, brighter, and more massive than most ...