At the far reaches of our Solar System lies Pluto, a mysterious world shrouded in shadows and icy terrain. NASA’s latest photos from this distant dwarf planet have provided us with groundbreaking ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

A quiet, glowing gas cloud has been hiding in plain sight not far from Earth. For decades, astronomers have predicted that ...

The first interstellar object spotted in our Solar System was the cigar-shaped ‘Oumuamua, discovered in 2017 by the ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth -- but closer to the red planet than us at a safe 150 million miles (240 ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

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