Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

WATCH the shocking moment a rare black whole gobbles up a star and causes an earth-shattering explosion in a stunning new ...

Earlier this month, astronomers observed a mysterious object with interstellar origins speeding through the inner solar system. It's an exceedingly rare occurrence, marking only the third confirmed ...

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it appears to be a comet and is thought to have flown in from the direction of ...

Astronomers have, for the first time, captured what they believe are the very first moments of rocky planet formation around ...

Scientists have released the closest images ever taken near the sun, captured by NASA’s Parker Solar Probe flying 3.8 million miles above the solar surface. See more images of solar eruptions on the ...

NISAR, a new Earth-observing satellite, is a collaboration between NASA and India’s space agency. A new radar satellite, ...