Floating around at the edge of the Solar System are leftovers from its formation. This is the Kuiper Belt, which is composed ...

A not-so-distant white dwarf named WD 2226-210 has been on our radar since the 1980s for releasing X-rays, now we may know ...

How do rogue planetary-mass objects – celestial bodies that fall between planets and stars in size – come into existence? An ...

The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

Astronomers using a cutting-edge adaptive optics instrument, MagAO-X, have captured unprecedented images of young planets ...

Another finding was how dramatically the planets varied in brightness over just three years. The team discovered that PDS 70 ...

"Starman" peels away the layers of our cynicism to connect us with the feeling we had when space beheld a mystery that felt ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

But what of the other planets? The film includes extensive ... century-long fear and desire to make contact with life from outer space, it does so with a winking acknowledgement of how much ...