Astronomers found hidden cosmic channels, like tunnels, connecting our solar system to distant stars, reshaping views of ...

The interstellar network is sustained by the explosive life cycles of stars that generate powerful solar winds. Past research ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...

An interstellar object called 3I/ATLAS is passing through our solar system this year, NASA announced yesterday. Today at 6 p.m. ET, you can see it for yourself, thanks to a livestream from the ...

It will stay roughly 150 million miles away. That's about 1.5 times the distance from Earth to the sun. This is only the third confirmed interstellar object soaring through the solar system.

From the moment it entered our view, 3I/ATLAS—the third interstellar object ever detected in our solar system—instantly became the biggest news in astronomy for the month, if not the year.

3I/ATLAS is only the third interstellar object detected visiting our solar system, after 1I’Oumuamua in 2017 and 2I/Borisov in 2019.

Need to know: Why do astronomers care about interstellar objects? Everything in our solar system shares a common origin, but objects visiting from other systems are extremely rare portals to the ...