For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

Mars is thought to currently have all the necessary ingredients for life except for perhaps the most important one: liquid ...

The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

It's been covered in ice for 34 million years. But scientists are finally uncovering what Antarctica's landscape really looks ...

Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

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

The Universe’s most abundant ice isn’t formless—it’s secretly laced with crystals. And that might change how we think about ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.