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

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

As the International Space Station whizzed over Mexico and the United States — before floodwaters catastrophically rose in ...

NASA's Hubble Space Telescope captured a bright variable star, V 372 Orionis, and its companion in this festive image in this ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

The universe is unimaginably vast, even within our own Solar System, the distances between planets are staggering. Light, the ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

Astronomers have achieved a first in exoplanet hunting by using the Hubble Space Telescope images to investigate a mysterious ...

The Voyager spacecraft, launched by NASA in the 1970s, have embarked on humanity’s most ambitious journey into the depths of ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...