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

The alignment of seven planets in the night sky has captivated observers for centuries, inspiring awe and curiosity. This ...

On Tuesday evening (January 21), six planets will line up in the night's sky – Mars, Jupiter, Neptune, Saturn, Uranus and Venus. Best viewed in clear skies free of cloud, the individual ...

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

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

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 ...

One day, however, the two galaxies may collide, forming a giant, egg-shaped elliptical galaxy. But that great merger won't happen for billions of years. Mark is an award-winning journalist and the ...

Andromeda is the closest large galaxy to the Milky Way. And it is getting closer, as the two will merge in several billion years. It has been an object of study for centuries, but we have never ...