Hubble is often associated with distant galaxies, but some of its most surprising discoveries were much closer to home. From ...

Hubble is known for peering into distant galaxies, but some of its most surprising images came from much closer to home. Detailed observations revealed unexpected activity, dramatic storms, and ...

Astronomers have puzzled for decades over how massive elliptical galaxies appeared so early in cosmic history. The standard ...

In space, the gravitational pull of massive objects is irresistible to smaller ones. Moons are locked in orbit around planets. Planets, asteroids and comets orbit more massive stars, and stars collect ...

Astronomers have found growing evidence that runaway black holes are hurtling through galaxies at extreme speeds, leaving ...

NASA may have uncovered a new truth about the universe after discovering over 100 million "dark bubbles" in the Solar System thanks to improved technology.

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...