Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

"We not only reconstructed an unaltered image of the emissions from deep space, but also obtained valuable information on the ...

Learn more about the interstellar traveler, Comet 3I/ATLAS, and what researchers know about its place of origin.

A newly-discovered planet named Enaiposha, GJ 1214 b, is unlike anything found in our own solar system, similar to a ...

The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...

Voyager 1 continues to send fascinating data from the outer reaches of our Solar System. These transmissions reveal strange ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of interstellar highway stretching from our solar neighborhood to distant stars.

Easy: Venus is the weirdest planet in the solar system. The most distant major planet from the sun and the last stop before ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...