All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

The Hubble Space Telescope captures extraordinary images of young stars, shedding light on star formation in the Orion Nebula.

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Nasa said that the purple space lumps surrounding the planet are massive clouds of X-rays. Some of these lumps are even ...

New evidence suggests the universe is expanding faster than predicted. Explore the Hubble constant and its implications for ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...

With images from the Hubble Space Telescope, we have new information here in the Milky Way about our closest neighboring ...

In a stunning revelation, the NASA/ESA Hubble Space Telescope has peered into the cosmic cradle of star formation, capturing an extraordinary view of young ...

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

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 ...