The third interstellar object ever observed is in our neighborhood—for now. And, asteroid Bennu could contain dust from ...

Massive interstellar object 3I/ATLAS, larger than Manhattan, shows unusual glow pattern and planetary alignment that Harvard physicist calls potentially technological.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.

The core of Jupiter, the largest planet in our solar system, has long been a source of mystery for astronomers. Conventional ...

Learn how scientists used ancient raindrops preserved in meteorites to accurately date Jupiter’s creation for the first time.

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar object to pass through our solar system.