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

The six curiosities that Brown and Batygin identified have elongated elliptical orbits whose perihelia (their ... distance from just outside Neptune's orbit to all the way in to Uranus and even ...

Nearly all galaxies in the universe are either spiral or elliptical in shape, but very rarely one appears ... always just beyond the grasp of an ultimate answer. This view of Uranus and its rings is ...

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

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 ...

Six planets – Venus, Mars, Jupiter, Saturn, Uranus and Neptune – are currently ... namely the alignments of galaxies. Observing galaxies in the very early universe is difficult because they ...

"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told ...

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 ...