New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

Nearly all galaxies in the universe are either spiral or elliptical in shape, but very rarely one appears in the shape of a ring. How does it form? In this composite view of the Cartwheel galaxy ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

Throughout much of January and February, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will be visible splayed out in a long arc across the heavens, with Venus, Mars, Jupiter and Saturn being ...

For the first time, astronomers have traced a fast radio burst (FRB) to the outskirts of an ancient, dead, elliptical ...

Six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – are currently ... However, if a large galaxy or cluster of galaxies passes between our line of sight with a much more distant ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Our galaxy, while not small, isn't nearly as big as Andromeda. We harbor some 100 to 400 billion stars. One day, however, the two galaxies may collide, forming a giant, egg-shaped elliptical galaxy.

"Andromeda looks like a transitional type of galaxy that's between a star-forming spiral and a sort of elliptical galaxy dominated by aging red stars," said Weisz. "We can tell it's got this big ...

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.