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

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Exoplanet HIP 67522 b, fluffed up to the size of Jupiter, circles so close to its star that it’s triggering violent flares — ...

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering ...